Yarus, Roar of the Old Gods + Cryptolith Rite + Obscuring Aether + Ashnod's Altar
Yarus, Roar of the Old Gods
Cryptolith Rite
Obscuring Aether
Ashnod's Altar
Requires
Yarus, Roar of the Old Gods must be on the battlefield.
Cryptolith Rite must be on the battlefield.
Obscuring Aether must be on the battlefield.
Ashnod's Altar must be on the battlefield.
Mana needed: 
Steps
- Activate Obscuring Aether by paying , turning it face-down as a 2/2 creature.
- Activate Obscuring Aether by tapping it, adding .
- Activate Ashnod's Altar by sacrificing Obscuring Aether, adding .
- When Obscuring Aether dies, Yarus' second ability triggers, returning it from your graveyard to the battlefield face-down, then turning it face-up.
- Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite colorless mana.
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