Iridescent Drake + Kaya's Ghostform + Phantom Train

UB identity

Commander legal

The 3 combo pieces

• Iridescent Drake
• Kaya's Ghostform
• Phantom Train

How to execute it

1. Activate Phantom Train by sacrificing Iridescent Drake.
2. When Iridescent Drake dies, Kaya's Ghostform triggers, returning Iridescent Drake from your graveyard to the battlefield.
3. When Iridescent Drake enters, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Iridescent Drake
4. Resolve the Phantom Train ability.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers