Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Altar of Dementia + Iron League Steed
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill
Activate Altar of Dementia by sacrificing Iron League Steed.
When Iron League Steed dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Iron League Steed enters, its fabricate ability triggers, putting a +1/+1 counter on it.
Resolve the Altar of Dementia ability.
Repeat.
Component Cards
How It Works
Activate Altar of Dementia by sacrificing Iron League Steed.
When Iron League Steed dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Iron League Steed enters, its fabricate ability triggers, putting a +1/+1 counter on it.
Resolve the Altar of Dementia ability.
Repeat.