Intruder Alarm +

Intruder Alarm + Shilgengar, Sire of Famine Combos

9 known combos featuring both cards in Commander

Infinite LTB Infinite ETB Infinite sacrifice triggers Infinite death triggers Infinite Blood tokens

Combo 1 with Xu-Ifit, Osteoharmonist + Shilgengar, Sire of Famine

Also requires: Xu-Ifit, Osteoharmonist Xu-Ifit, Osteoharmonist Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite mana creatures you control can produce · Infinite untap of creatures · Infinite Blood tokens
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 Shilgengar by sacrificing the creature returned in step 1.
  4. Repeat.

Combo 2 with Adarkar Valkyrie + Shilgengar, Sire of Famine

Also requires: Adarkar Valkyrie Adarkar Valkyrie Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite Blood tokens
Show steps
  1. Activate Adarkar Valkyrie by tapping it, targeting another creature you control.
  2. Activate Shilgengar by sacrificing the creature targeted in step 1.
  3. When the creature dies, Adarkar Valkyrie triggers, returning the sacrificed creature to the battlefield.
  4. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Resolve the Shilgengar ability
  6. Repeat.

Combo 3 with Zul Ashur, Lich Lord + Shilgengar, Sire of Famine

Also requires: Zul Ashur, Lich Lord Zul Ashur, Lich Lord Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite storm count · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite Blood tokens
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 Shilgengar by sacrificing the Zombie
  6. Repeat.

Combo 4 with Otherworldly Escort + Amoeboid Changeling + Shilgengar, Sire of Famine

Also requires: Otherworldly Escort Otherworldly Escort Amoeboid Changeling Amoeboid Changeling Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite mana creatures you control can produce · Infinite untap of creatures · Infinite Blood tokens
Show steps
  1. Activate Amoeboid Changeling's second ability by tapping it, causing Otherworldly Escort to lose all creature types until end of turn.
  2. Activate Shilgengar by sacrificing Otherworldly Escort.
  3. When Otherworldly Escort dies, it triggers, returning itself from your graveyard to the battlefield as a Spirit Detective.
  4. When Otherworldly Escort enters, Intruder Alarm triggers, untapping all creatures.
  5. Resolve the Shilgengar ability.
  6. Repeat.

Combo 5 with Valkyrie's Call + Amoeboid Changeling + Shilgengar, Sire of Famine

Also requires: Valkyrie's Call Valkyrie's Call Amoeboid Changeling Amoeboid Changeling Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite Blood tokens · Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite untap of creatures · Infinite mana creatures you control can produce
Show steps
  1. Activate Amoeboid Changeling's second ability by tapping it, causing another nontoken creature you control to lose all creature types until end of turn.
  2. Activate Shilgengar by sacrificing the creature targeted in step 1.
  3. When the creature dies, Valkyrie's Call triggers, returning the creature from your graveyard to the battlefield as a white Angel.
  4. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  5. Resolve the Shilgengar ability.
  6. Repeat.

Combo 6 with Fain, the Broker + Pitiless Plunderer + Shilgengar, Sire of Famine

Also requires: Fain, the Broker Fain, the Broker Pitiless Plunderer Pitiless Plunderer Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite Blood tokens · Infinite colored mana · Infinite creature tokens · Infinite self-discard triggers · Infinite draw triggers · Infinite Treasure tokens · Infinite rummaging · Infinite +1/+1 counters on 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 Shilgengar by sacrificing the Inkling.
  4. When the Inkling dies, Pitiless Plunderer triggers, creating a Treasure token.
  5. Resolve the Shilgengar ability.
  6. Repeat.

Combo 7 with Dr. Madison Li + Robobrain War Mind + Shilgengar, Sire of Famine

Also requires: Dr. Madison Li Dr. Madison Li Robobrain War Mind Robobrain War Mind Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite energy counters · Infinite Blood tokens
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 Shilgengar 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 8 with Hua Tuo, Honored Physician + Verdant Succession + Shilgengar, Sire of Famine

Also requires: Hua Tuo, Honored Physician Hua Tuo, Honored Physician Verdant Succession Verdant Succession Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite Blood tokens
Show steps
  1. During your precombat main phase, activate Shilgengar by sacrificing the additional nontoken green creature.
  2. When the creature dies, Verdant Succession triggers.
  3. Holding priority, activate Hua Tuo by tapping it, putting the creature from your graveyard onto the top of your library.
  4. Resolve the Verdant Succession trigger, searching your library for the sacrificed creature and putting it onto the battlefield.
  5. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  6. Resolve the Shilgengar ability from step 1
  7. Repeat.

Combo 9 with Xavier Sal, Infested Captain + Haunted One + Shilgengar, Sire of Famine

Also requires: Xavier Sal, Infested Captain Xavier Sal, Infested Captain Haunted One Haunted One Shilgengar, Sire of Famine Shilgengar, Sire of Famine
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite untap of creatures · Infinite mana creatures you control can produce · Infinite power for certain creatures until end of turn · Infinite Blood tokens
Show steps
  1. Activate Xavier Sal's first ability by tapping it and removing a +1/+1 counter from the additional nontoken Human, Fungus and/or Pirate if it has one, or any counter from another permanent you control otherwise.
  2. Xavier Sal triggers, causing it and all other creatures you control that share a creature type with it to get +2/+0 and gain undying until end of turn.
  3. Resolve the Xavier Sal ability, causing you to populate.
  4. Activate Shilgengar by sacrificing the additional Human, Fungus and/or Pirate.
  5. When the creature dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  6. When the creature enters the battlefield, Intruder Alarm triggers, untapping all creatures.
  7. Resolve the Shilgengar ability
  8. Repeat.
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