Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Grim Poppet + Blasting Station
Infinite LTB, Infinite ETB, Infinite sacrifice triggers, Infinite death triggers, Infinite damage, Destroy each creature that enters the battlefield under an opponent's control, Destroy any number of creatures, Infinite -1/-1 counters, Lock
If Grim Poppet has any -1/-1 counters on it, activate it by removing a -1/-1 counter from it.
Repeat step 1 as necessary until Grim Poppet has no -1/-1 counters on it.
Activate Blasting Station by tapping it and sacrificing Grim Poppet.
When Grim Poppet dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Grim Poppet enters, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 3.
Component Cards
How It Works
If Grim Poppet has any -1/-1 counters on it, activate it by removing a -1/-1 counter from it.
Repeat step 1 as necessary until Grim Poppet has no -1/-1 counters on it.
Activate Blasting Station by tapping it and sacrificing Grim Poppet.
When Grim Poppet dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Grim Poppet enters, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 3.
Repeat.
Resolve all Grim Poppet abilities, putting infinite -1/-1 counters on any number of creatures.