Earthcraft + Yarus, Roar of the Old Gods Combos

3 known combos featuring both cards in Commander

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

Combo 1 with Obscuring Aether + Phyrexian Altar

Also requires: Obscuring Aether Obscuring Aether Phyrexian Altar Phyrexian Altar
Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Steps
  1. Activate a basic land by tapping it, adding {1}.
  2. Activate Obscuring Aether by paying {1}{G}, turning it face-down as a 2/2 creature.
  3. Activate Earthcraft by tapping Obscuring Aether, untapping the basic land.
  4. Activate Phyrexian Altar by sacrificing Obscuring Aether, adding {G}.
  5. When Obscuring Aether dies, Yarus' second ability triggers, returning it from your graveyard to the battlefield face-down, then turning it face-up.
  6. Repeat.

Combo 2 with Obscuring Aether + Ashnod's Altar

Also requires: Obscuring Aether Obscuring Aether Ashnod's Altar Ashnod's Altar
Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite colorless mana
Show steps
  1. Activate a basic Forest by tapping it, adding {G}.
  2. Activate Obscuring Aether by paying {1}{G}, turning it face-down as a 2/2 creature.
  3. Activate Earthcraft by tapping Obscuring Aether, untapping the Forest.
  4. Activate Ashnod's Altar by sacrificing Obscuring Aether, adding {C}{C}.
  5. When Obscuring Aether dies, Yarus' second ability triggers, returning it from your graveyard to the battlefield face-down, then turning it face-up.
  6. Repeat.

Combo 3 with Obscuring Aether + Thermopod

Also requires: Obscuring Aether Obscuring Aether Thermopod Thermopod
Results: Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate a basic Forest by tapping it, adding {G}.
  2. Activate Obscuring Aether by paying {1}{G}, turning it face-down as a 2/2 creature.
  3. Activate Earthcraft by tapping Obscuring Aether, untapping the Forest.
  4. Activate Thermopod's second ability by sacrificing Obscuring Aether, adding {R}.
  5. When Obscuring Aether dies, Yarus' second ability triggers, returning it from your graveyard to the battlefield face-down, then turning it face-up.
  6. Repeat.
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