Molten Echoes + Cloudstone Curio + Burning-Tree Emissary

Molten Echoes

Cloudstone Curio

Burning-Tree Emissary

How it works

1. Cast Burning-Tree Emissary by paying R/GR/G.
2. Burning-Tree Emissary enters the battlefield, triggering itself, Cloudstone Curio and Molten Echoes.
3. Resolve the Burning-Tree Emissary trigger, adding .
4. Resolve the Cloudstone Curio trigger, choosing to return nothing from the battlefield to your hand.
5. Resolve the Molten Echoes trigger, creating a token copy of Burning-Tree Emissary with haste.
6. The Burning-Tree Emissary token enters the battlefield, triggering itself and Cloudstone Curio.
7. Resolve the Burning-Tree Emissary trigger, adding .
8. Resolve the Cloudstone Curio trigger, returning the nontoken Burning-Tree Emissary from the battlefield to your hand.
9. Repeat.