Requires

Kodama of the East Tree must be on the battlefield. Dual Nature must be on the battlefield. Aether Channeler must be in hand. Mana needed:

Steps

1. Cast Aether Channeler by paying .
2. Aether Channeler enters the battlefield, triggering itself, Dual Nature's first ability, and Kodama.
3. Resolve the Kodama trigger, choosing to put nothing from your hand onto the battlefield.
4. Resolve the Aether Channeler trigger, choosing any of its modes.
5. Resolve the Dual Nature trigger, creating a token copy of Aether Channeler.
6. The token Aether Channeler enters the battlefield, triggering itself and Kodama.
7. Resolve the Aether Channeler trigger, returning the nontoken Aether Channeler from the battlefield to your hand.
8. Aether Channeler leaves the battlefield, triggering Dual Nature's second ability, exiling all tokens named Aether Channeler.
9. Resolve the Kodama trigger, putting Aether Channeler from your hand onto the battlefield.
10. Aether Channeler enters the battlefield, triggering itself and Dual Nature.
11. Repeat from step 4.

Results