Aether Vial + Cloudstone Curio + Deceiver Exarch + Derevi, Empyrial Tactician

GWU identity

Commander legal

The 4 combo pieces

• Aether Vial
• Cloudstone Curio
• Deceiver Exarch
• Derevi, Empyrial Tactician

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 Deceiver Exarch onto the battlefield from your hand.
2. When Deceiver Exarch enters the battlefield, it and Cloudstone Curio trigger.
3. Resolve the Deceiver Exarch 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 Deceiver Exarch from the battlefield to your hand.
9. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite ETB