Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill
Activate Altar of Dementia by sacrifiicing Bloodied Ghost.
When Bloodied Ghost dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it. When it enters, Bloodied Ghost will put a -1/-1 counter on itself, removing the +1/+1 counter.
Resolve the Altar of Dementia ability.
Repeat.
Component Cards
How It Works
Activate Altar of Dementia by sacrifiicing Bloodied Ghost.
When Bloodied Ghost dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it
When it enters, Bloodied Ghost will put a -1/-1 counter on itself, removing the +1/+1 counter.
Resolve the Altar of Dementia ability.
Repeat.