Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Grim Poppet + Phantom Train

WB identity

Commander legal

The 3 combo pieces

• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Grim Poppet
• Phantom Train

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 Phantom Train by 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. Resolve the Phantom Train ability.
6. Repeat.
7. 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 +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Lock