Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Blasting Station + Arcbound Prototype
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite damage, Infinite +1/+1 counters on certain creatures
Activate Blasting Station by tapping it and 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.
When Arcbound Prototype enters, Blasting Station triggers, untapping Blasting
Component Cards
How It Works
Activate Blasting Station by tapping it and 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.
When Arcbound Prototype enters, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 1.
Repeat.