Near-infinite ETB, Infinite draw triggers, Infinite looting, Near-infinite LTB, Near-infinite mill, Near-infinite death triggers, Near-infinite sacrifice triggers, Infinite self-discard triggers
Activate Altar of Dementia by sacrificing the persist creature.
When the persist creature dies, it and Grim Haruspex trigger.
Resolve the Grim Haruspex trigger, causing you to draw a card.
Resolve the persist creature's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When the persist creature enters the battlefield, Olivia triggers, putting a +1/+1 counter on the persist creature and causing you to discard a card.
Resolve the Altar of Dementia ability.
Re
Component Cards
How It Works
Activate Altar of Dementia by sacrificing the persist creature.
When the persist creature dies, it and Grim Haruspex trigger.
Resolve the Grim Haruspex trigger, causing you to draw a card.
Resolve the persist creature's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When the persist creature enters the battlefield, Olivia triggers, putting a +1/+1 counter on the persist creature and causing you to discard a card.
Resolve the Altar of Dementia ability.
Repeat.