Ashnod's Altar + The Cauldron of Eternity Combos

7 known combos featuring both cards in Commander

Infinite ETB Infinite LTB Infinite sacrifice triggers Infinite colorless mana Infinite death triggers

Combo 1 with Grenzo, Dungeon Warden

Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Steps
  1. Activate Grenzo by paying {2}.
  2. Holding priority, activate Ashnod's Altar by sacrificing Grenzo, adding {C}{C}.
  3. When Grenzo dies, The Cauldron of Eternity triggers, putting Grenzo from your graveyard onto the bottom of your library.
  4. Resolve the Grenzo ability from step 1, causing you to put Grenzo from the bottom of your library into your graveyard, and then putting Grenzo onto the battlefield.
  5. Repeat.
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Combo 2 with Verdant Succession

Also requires: Verdant Succession Verdant Succession
Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Ashnod's Altar by sacrificing the creature, adding {C}{C}.
  2. The Cauldron of Eternity and Verdant Succession both trigger.
  3. Resolve The Cauldron of Eternity trigger first, putting the creature on the bottom of your library.
  4. Resolve the Verdant Succession trigger, returning the creature to the battlefield.
  5. Repeat.

Combo 3 with Pattern of Rebirth + Boonweaver Giant

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Ashnod's Altar by sacrificing Boonweaver Giant, adding {C}{C}.
  2. When Boonweaver Giant dies, The Cauldron of Eternity and Pattern of Rebirth trigger.
  3. Resolve the Cauldron of Eternity trigger, putting Boonweaver Giant on the bottom of your library from your graveyard.
  4. Resolve the Pattern of Rebirth trigger, putting Boonweaver Giant from your library onto the battlefield.
  5. When Boonweaver Giant enters the battlefield, it triggers, returning Pattern of Rebirth from your graveyard to the battlefield attached to Boonweaver Giant.
  6. Repeat.

Combo 4 with Pattern of Rebirth + Danitha, Benalia's Hope

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Ashnod's Altar by sacrificing Danitha, adding {C}{C}.
  2. When Danitha dies, The Cauldron of Eternity and Pattern of Rebirth trigger.
  3. Resolve the Cauldron of Eternity trigger, putting Danitha on the bottom of your library from your graveyard.
  4. Resolve the Pattern of Rebirth trigger, putting Danitha from your library onto the battlefield.
  5. When Danitha enters the battlefield, it triggers, returning Pattern of Rebirth from your graveyard to the battlefield attached to Danitha.
  6. Repeat.

Combo 5 with Growth-Chamber Guardian + The Great Henge + Chromatic Orrery

Results: Infinite card draw · Infinite colorless mana · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count · Infinite colored mana
Show steps
  1. Cast Growth-Chamber Guardian by paying {1}{G}.
  2. Growth-Chamber Guardian enters the battlefield, triggering The Great Henge, putting a +1/+1 counter on Growth-Chamber Guardian and drawing you a card.
  3. Growth-Chamber Guardian triggers, holding priority, activate Ashnod's Altar by sacrificing Growth-Chamber Guardian, adding {C}{C}.
  4. Growth-Chamber Guardian dies, triggering The Caludron of Eternity, putting Growth-Chamber Guardian on the bottom of your library from your graveyard.
  5. Resolve the Growth-Chamber Guardian trigger from step 3, searching your library for Growth-Chamber Guardian and putting it into your hand.
  6. Repeat.

Combo 6 with Growth-Chamber Guardian + The Great Henge + Mycosynth Lattice

Results: Infinite card draw · Infinite colorless mana · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count · Infinite colored mana
Show steps
  1. Cast Growth-Chamber Guardian by paying {1}{G}.
  2. Growth-Chamber Guardian enters the battlefield, triggering The Great Henge, putting a +1/+1 counter on Growth-Chamber Guardian and drawing you a card.
  3. Growth-Chamber Guardian triggers, holding priority, activate Ashnod's Altar by sacrificing Growth-Chamber Guardian, adding {C}{C}.
  4. Growth-Chamber Guardian dies, triggering The Caludron of Eternity, putting Growth-Chamber Guardian on the bottom of your library from your graveyard.
  5. Resolve the Growth-Chamber Guardian trigger from step 3, searching your library for Growth-Chamber Guardian and putting it into your hand.
  6. Repeat.

Combo 7 with Pattern of Rebirth + Iridescent Drake

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Ashnod's Altar by sacrificing Iridescent Drake, adding {C}{C}.
  2. When Iridescent Drake dies, The Cauldron of Eternity and Pattern of Rebirth trigger.
  3. Resolve the Cauldron of Eternity trigger, putting Iridescent Drake on the bottom of your library from your graveyard.
  4. Resolve the Pattern of Rebirth trigger, putting Iridescent Drake from your library onto the battlefield.
  5. When Iridescent Drake enters the battlefield, it triggers, returning Pattern of Rebirth from your graveyard to the battlefield attached to Iridescent Drake.
  6. Repeat.
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