Ashnod's Altar + Intruder Alarm Combos

20 known combos featuring both cards in Commander

Infinite death triggers Infinite ETB Infinite LTB Infinite mana creatures you control can produce Infinite sacrifice triggers

Combo 1 with Shorikai, Genesis Engine

Results: Infinite card draw · Infinite draw triggers · Infinite looting · Infinite self-discard triggers · Near-infinite colorless mana · Near-infinite death triggers · Near-infinite ETB · Near-infinite LTB · Near-infinite sacrifice triggers · Near-infinite untap of all creatures · Near-infinite creature tokens · Near-infinite card draw · Near-infinite looting
Steps
  1. Cause Shorikai to become a creature.
  2. Activate Shorikai by paying {1} and tapping it, causing you to draw two cards, discard a card, and create a 1/1 Pilot creature token.
  3. The Pilot enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Activate Ashnod's Altar by sacrificing the Pilot, adding {C}{C}.
  5. Repeat.
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Combo 2 with Hylda of the Icy Crown + Court Street Denizen

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Cause a white creature to enter the battlefield under your control.
  2. Intruder Alarm and Court Street Denizen trigger.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Holding priority, activate Ashnod's Altar by sacrificing the white creature, adding {C}{C}.
  5. Resolve the Court Street Denizen trigger, tapping an opponent's creature.
  6. Hylda of the Icy Crown triggers, causing you to pay {1} to create a 4/4 Elemental creature token.
  7. Repeat from step 2.
  8. Once you have infinite mana, you may forego sacrificing the Elemental tokens.

Combo 3 with Emry, Lurker of the Loch + Ornithopter

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite storm count · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing Ornithopter, adding {C}{C}.
  2. Activate Emry by tapping it, allowing you to cast Ornithopter from your graveyard this turn.
  3. Cast Ornithopter from your graveyard by paying {0}.
  4. Ornithopter enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  5. Repeat.

Combo 4 with Emry, Lurker of the Loch + Memnite

Also requires: Emry, Lurker of the Loch Emry, Lurker of the Loch Memnite Memnite
Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite storm count · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing Memnite, adding {C}{C}.
  2. Activate Emry by tapping it, allowing you to cast Memnite from your graveyard this turn.
  3. Cast Memnite from your graveyard by paying {0}.
  4. Memnite enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  5. Repeat.

Combo 5 with Othelm, Sigardian Outcast

Results: Infinite death triggers · Infinite ETB · Infinite sacrifice triggers · Infinite untap of creatures · Infinite LTB · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing any other nontoken creature, adding {C}{C}.
  2. Activate Othelm by paying {2} and tapping it, returning a creature from your graveyard to the battlefield.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.

Combo 6 with Zul Ashur, Lich Lord

Also requires: Zul Ashur, Lich Lord Zul Ashur, Lich Lord
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite colorless mana · Infinite storm count · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Activate Zul Ashur by tapping it, targeting a Zombie card in your graveyard.
  2. Activate any number of creatures you control by tapping them, adding enough mana to cast the Zombie.
  3. Cast the Zombie from your graveyard by paying its mana cost.
  4. When the Zombie enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Activate Ashnod's Altar by sacrificing the Zombie, adding {C}{C}.
  6. Repeat.

Combo 7 with Fable of the Mirror-Breaker // Reflection of Kiki-Jiki

Results: Infinite colorless mana · Infinite creature tokens with haste · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Reflection of Kiki-Jiki by paying {1} and tapping it, creating a token copy of any other nonlegendary creature you control.
  2. The creature token enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  3. Activate Ashnod's Altar by sacrificing the creature token, adding {C}{C}.
  4. Repeat.

Combo 8 with Othelm, Sigardian Outcast + Myr Battlesphere

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing Myr Battlesphere, adding {C}{C}.
  2. Activate Othelm by paying {2} and tapping it, returning Myr Battlesphere from your graveyard to the battlefield tapped.
  3. Myr Battlesphere enters the battlefield, triggering itself and Intruder Alarm.
  4. Resolve the Intruder Alarm trigger, untapping all creatures.
  5. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr artifact creature tokens.
  6. The Myr tokens enter the battlefield, triggering Intruder Alarm four times, untapping all creatures.
  7. Repeat.

Combo 9 with Hylda of the Icy Crown + Rimewind Taskmage

Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Rimewind Taskmage by paying {1} and tapping it, tapping target creature an opponent controls.
  2. Hylda of the Icy Crown triggers, causing you to pay {1} to create a 4/4 Elemental creature token.
  3. When the Elemental enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Activate Ashnod's Altar by sacrificing the Elemental, adding {C}{C}.
  5. Repeat.

Combo 10 with Gravespawn Sovereign

Also requires: Gravespawn Sovereign Gravespawn Sovereign
Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing a nontoken creature, adding {C}{C}.
  2. Activate Gravespawn Sovereign by tapping five untapped Zombies you control, returning any creature from your graveyard to the battlefield.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Repeat.

Combo 11 with Enduring Renewal

Also requires: Enduring Renewal Enduring Renewal
Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite storm count · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing the creature, adding {C}{C}.
  2. When the creature dies, Enduring Renewal triggers, returning the creature from your graveyard to your hand.
  3. Cast the creature by paying its mana cost.
  4. Repeat.
  5. If the creature can be cast using {C} or less, this combo nets infinite colorless mana.
  6. Activate all mana-producing creatures you control by tapping them, adding at least {1}.
  7. Cast the creature card by paying its mana cost.
  8. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  9. Activate Ashnod's Altar by sacrificing the creature, adding {C}{C}.
  10. When the creature dies, Enduring Renewal triggers, returning the creature to your hand from your graveyard.
  11. Repeat.

Combo 12 with Fain, the Broker + Pitiless Plunderer

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite colorless mana · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Activate Fain's third ability by tapping it and sacrificing another artifact, creating a 2/1 Inkling creature token.
  2. When the Inkling enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  3. Activate Ashnod's Altar by sacrificing the Inkling, adding {C}{C}.
  4. When the Inkling dies, Pitiless Plunderer triggers, creating a Treasure token.
  5. Repeat.

Combo 13 with Adarkar Valkyrie

Also requires: Adarkar Valkyrie Adarkar Valkyrie
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite colorless mana · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Activate Adarkar Valkyrie by tapping it, targeting another nontoken creature you control.
  2. Activate Ashnod's Altar by sacrificing the creature targeted in step 1, adding {C}{C}.
  3. When the creature dies, Adarkar Valkyrie triggers, returning the sacrificed creature from your graveyard to the battlefield.
  4. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Repeat.

Combo 14 with Dr. Madison Li + Decoction Module + Myr Battlesphere

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Dr Madison Li's third ability by tapping it and paying {E}{E}{E}{E}{E}, returning Myr Battlesphere from your graveyard to the battlefield.
  2. When Myr Battlepshere enters the battlefield, it, Intruder Alarm and Decoction Module triggers.
  3. Resolve the Intruder Alarm trigger, untapping all creatures.
  4. Resolve the Decoction Module trigger, causing you to get {E}.
  5. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr artifact creature tokens.
  6. When the Myrs enter the battlefield, Intruder Alarm and Decoction Module trigger four times.
  7. Resolve all Intruder Alarm triggers, untapping all creatures.
  8. Resolve all Decoction Module triggers, causing you to get {E}{E}{E}{E}.
  9. Activate Ashnod's Altar by sacrificing Myr Battlesphere, adding {C}{C}.
  10. Repeat.

Combo 15 with Xu-Ifit, Osteoharmonist

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite colorless mana · Infinite mana creatures you control can produce · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Xu-Ifit by tapping it, returning a creature card from your graveyard to the battlefield.
  2. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  3. Activate Ashnod's Altar by sacrificing the creature returned in step 1.
  4. Repeat.

Combo 16 with Skeleton Ship + Geralf's Messenger

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite lifeloss · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing Geralf's Messenger, adding {C}{C}.
  2. Geralf's Messenger dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Geralf's Messenger enters the battlefield, triggering itself and Intruder Alarm.
  4. Resolve the Geralf's Messenger trigger, causing an opponent to lose 2 life.
  5. Resolve the Intruder Alarm trigger, untapping all creatures.
  6. Activate Skeleton Ship by tapping it, putting a -1/-1 counter on Geralf's Messenger.
  7. Repeat.

Combo 17 with Zimone and Dina + Nadir Kraken

Results: Infinite card draw · Infinite draw triggers · Near-infinite +1/+1 counters on a creature · Near-infinite colorless mana · Near-infinite creature tokens · Near-infinite death triggers · Near-infinite ETB · Near-infinite LTB · Near-infinite sacrifice triggers · Near-infinite untap of all creatures · Put all lands from your hand and library onto the battlefield
Show steps
  1. Activate Zimone and Dina by tapping it and sacrificing another creature, causing you to draw a card, and allowing you to put a land card from your hand onto the battlefield, and then repeating the process one additional time if you control at least eight lands.
  2. Nadir Kraken triggers for each card drawn this way.
  3. Resolve the first Nadir Kraken trigger, causing you to pay {1} to put a +1/+1 counter on it and create a 1/1 Tentacle creature token.
  4. When the Tentacle enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Resolve the second Nadir Kraken trigger, if applicable, choosing not to pay.
  6. Activate Ashnod's Altar by sacrificing the Tentacle, adding {C}{C}.
  7. Repeat.

Combo 18 with Dr. Madison Li + Robobrain War Mind

Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite colorless mana · Infinite energy counters · Infinite mana creatures you control can produce · Infinite untap of creatures you control
Show steps
  1. Cast Robobrain War Mind by paying {3}{U}.
  2. When Robobrain War Mind enters, it and Intruder Alarm trigger.
  3. Resolve the Robobrain War Mind trigger, causing you to get {E} for each artifact creature you control.
  4. Resolve the Intruder Alarm trigger, untapping all creatures.
  5. Activate Ashnod's Altar by sacrificing Robobrain War Mind.
  6. Activate Dr. Madison Li by tapping it and paying {E}{E}{E}{E}{E}, returning Robobrain War Mind from your graveyard to the battlefield.
  7. Repeat from step 2.

Combo 19 with Missy + Skirk Alarmist

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing another nontoken nonartifact creature, adding {C}{C}.
  2. When the creature dies, Missy's first ability triggers, returning the creature from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
  3. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  4. Activate Skirk Alarmist by tapping it, turning the creature face up.
  5. Repeat.

Combo 20 with Othelm, Sigardian Outcast + Hornet Queen

Results: Infinite colorless mana · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mana creatures you control can produce · Infinite sacrifice triggers · Infinite untap of creatures · Infinite untap of creatures you control
Show steps
  1. Activate Ashnod's Altar by sacrificing Hornet Queen, adding {C}{C}.
  2. Activate Othelm by paying {2} and tapping it, returning Hornet Queen from your graveyard to the battlefield tapped.
  3. Hornet Queen enters the battlefield, triggering itself and Intruder Alarm.
  4. Resolve the Intruder Alarm trigger, untapping all creatures.
  5. Resolve the Hornet Queen trigger, creating four 1/1 Insect creature tokens.
  6. The Insect tokens enter the battlefield, triggering Intruder Alarm four times, untapping all creatures.
  7. Repeat.
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