Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Carrion Feeder + Arcbound Prototype
Infinite LTB, Infinite ETB, Infinite +1/+1 counters on a creature, Infinite +1/+1 counters on certain creatures, Infinite sacrifice triggers, Infinite death triggers
Activate Carrion Feeder by sacrificing Arcbound Prototype.
When Arcbound Prototype dies, its modular ability and persist ability trigger.
Resolve the modular trigger, putting Arcbound Prototype's +1/+1 counters on another artifact creature.
Resolve the persist trigger, returning Arcbound Prototype from your graveyard to the battlefield. It will not have a -1/-1 counter on it due to its modular ability.
Resolve the Carrion Feeder ability.
Repeat.
Component Cards
How It Works
Activate Carrion Feeder by sacrificing Arcbound Prototype.
When Arcbound Prototype dies, its modular ability and persist ability trigger.
Resolve the modular trigger, putting Arcbound Prototype's +1/+1 counters on another artifact creature.
Resolve the persist trigger, returning Arcbound Prototype from your graveyard to the battlefield
It will not have a -1/-1 counter on it due to its modular ability.
Resolve the Carrion Feeder ability.
Repeat.