Prerequisites
- Miirym, Sentinel Wyrm on the battlefield
- Cloudstone Curio on the battlefield
- Sneak Attack on the battlefield
- Phyrexian Altar on the battlefield
- You have a nonartifact Dragon creature card in hand
- available
Steps
- Activate Sneak Attack by paying , putting any Dragon from your hand onto the battlefield
- The Dragon enters the battlefield, triggering Cloudstone Curio and Miirym
- Resolve the Cloudstone Curio trigger, choosing not to return anything to your hand from the battlefield
- Resolve the Miirym trigger, creating a token copy of the Dragon
- The token Dragon enters the battlefield, triggering Cloudstone Curio, returning the nontoken Dragon from the battlefield to your hand
- Activate Phyrexian Altar by sacrificing the Dragon token, adding
- Repeat
Results
Required Cards 4
Miirym, Sentinel Wyrm
Legendary Creature — Dragon Spirit