Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Grim Poppet + Grinding Station

WB identity

Commander legal

The 3 combo pieces

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Grim Poppet
• Grinding Station

How to execute it

1. If Grim Poppet has any -1/-1 counters on it, activate it by removing a -1/-1 counter from it.
2. Repeat step 1 as necessary until Grim Poppet has no -1/-1 counters on it.
3. Activate Grinding Station by tapping it and sacrificing Grim Poppet.
4. When Grim Poppet dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. When Grim Poppet enters, Grinding Station triggers, untapping Grinding Station.
6. Resolve the Grinding Station ability from step 3.
7. Repeat.
8. Resolve all Grim Poppet abilities, putting infinite -1/-1 counters on any number of creatures.

What the combo produces

• Destroy any number of creatures
• Destroy each creature that enters the battlefield under an opponent's control
• Infinite -1/-1 counters
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Lock