Requires

Ganax, Astral Hunter must be on the battlefield. Cloudstone Curio must be on the battlefield. Slumbering Dragon must be in hand. Shivan Devastator must be on the battlefield. Coat of Arms must be on the battlefield. Mana needed:

Steps

1. Cast Slumbering Dragon by paying .
2. When Slumbering Dragon enters the battlefield, Ganax and Cloudstone Curio trigger.
3. Resolve the Ganax trigger, creating a Treasure artifact token.
4. Resolve the Cloudstone Curio trigger, returning Shivan Devastator from the battlefield to your hand.
5. Activate the Treasure by tapping and sacrificing it, adding .
6. Cast Shivan Devastator by paying .
7. When Shivan Devastator enters the battlefield, Ganax and Cloudstone Curio trigger.
8. Resolve the Ganax trigger, creating a Treasure artifact token.
9. Resolve the Cloudstone Curio trigger, returning Slumbering Dragon from the battlefield to your hand.
10. Activate the Treasure by tapping and sacrificing it, adding .
11. Repeat.

Results