Greensleeves, Maro-Sorcerer + Kodama of the East Tree + Ashaya, Soul of the Wild + Cloudstone Curio + Ornithopter

Greensleeves, Maro-Sorcerer

Kodama of the East Tree

Ashaya, Soul of the Wild

Cloudstone Curio

Ornithopter

How it works

1. Cast Ornithopter by paying 0.
2. Ornithopter enters the battlefield, triggering Kodama and Greensleeves.
3. Resolve the Kodama trigger, choosing to put nothing onto the battlefield.
4. Resolve the Greensleeves trigger, creating a 3/3 Badger creature token.
5. The Badger enters the battlefield, triggering Cloudstone Curio and Kodama.
6. Resolve the Cloudstone Curio trigger, choosing to return Ornithopter from the battlefield to your hand.
7. Resolve the Kodama trigger, putting Ornithopter from your hand onto the battlefield.
8. Repeat from step 2.