Molderhulk + Cloudstone Curio + Dual Nature + Zuran Orb

Molderhulk

Cloudstone Curio

Dual Nature

Zuran Orb

How it works

1. Activate the Swamp and Forest by tapping them, adding .
2. Activate Zuran Orb twice by sacrificing those two lands, gaining 4 life.
3. Cast Molderhulk by paying .
4. Molderhulk enters the battlefield, triggering itself, Dual Nature, and Cloudstone Curio.
5. Resolve the Cloudstone Curio trigger, choosing not to return anything.
6. Resolve the Dual Nature trigger, creating a Molderhulk token.
7. The Molderhulk token and Cloudstone Curio trigger.
8. Resolve the Cloudstone Curio trigger, returning the nontoken Molderhulk from the battlefield to your hand.
9. Molderhulk leaves the battlefield, triggering Dual Nature and exiling all Molderhulk tokens.
10. Resolve the token Molderhulk trigger, returning a Swamp from your graveyard to the battlefield.
11. Cloudstone Curio triggers; choose not to return anything.
12. Resolve the nontoken Molderhulk's trigger, returning a Forest from your graveyard to the battlefield.
13. Cloudstone Curio triggers; choose not to return anything.
14. Repeat.