Screams from Within + Altar of Dementia + Teval, the Balanced Scale
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite mill, Infinite self-mill
Activate Altar of Dementia by sacrificing the creature that has Screams from Within attached.
When the creature dies, Screams from Within triggers, returning it from your graveyard to the battlefield attached to another creature you control.
Teval triggers, creating a creature token.
Resolve the Altar of Dementia ability.
Repeat.
Component Cards
How It Works
Activate Altar of Dementia by sacrificing the creature that has Screams from Within attached.
When the creature dies, Screams from Within triggers, returning it from your graveyard to the battlefield attached to another creature you control.
Teval triggers, creating a creature token.
Resolve the Altar of Dementia ability.
Repeat.