Aether Vial + Cloudstone Curio + Derevi, Empyrial Tactician + Pestermite

GWU identity

Commander legal

The 4 combo pieces

• Aether Vial
• Cloudstone Curio
• Derevi, Empyrial Tactician
• Pestermite

What must be in place

Aether Vial has exactly three charge counters on it.

How to execute it

1. Activate Aether Vial by tapping it, putting Pestermite onto the battlefield from your hand.
2. When Pestermite enters the battlefield, it and Cloudstone Curio trigger.
3. Resolve the Pestermite trigger, untapping Aether Vial.
4. Resolve the Cloudstone Curio trigger, returning Derevi from the battlefield to your hand.
5. Activate Aether Vial by tapping it, putting Derevi onto the battlefield from your hand.
6. When Derevi enters the battlefield, it and Cloudstone Curio trigger.
7. Resolve the Derevi trigger, untapping Aether Vial.
8. Resolve the Cloudstone Curio trigger, returning Pestermite from the battlefield to your hand.
9. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite ETB