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