Yarus, Roar of the Old Gods + Karlov Watchdog + Altar of Dementia + 1 more
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill
Donate Karlov Watchdog to an opponent.
During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
Resolve the Altar of Dementia ability.
Repeat from step 2.
Component Cards
How It Works
Donate Karlov Watchdog to an opponent.
During the opponent's turn, activate Altar of Dementia by sacrificing a face-down creature you control.
When the creature dies, Yarus's second ability triggers, returning it from your graveyard to the battlefield face-down as a 2/2 creature, and then not turning it face-up due to Karlov Watchdog.
Resolve the Altar of Dementia ability.
Repeat from step 2.