Requires

Kodama of the East Tree must be on the battlefield. Irenicus's Vile Duplication must be in hand. Guildless Commons must be in hand. Mana needed:

Steps

1. Cast Irenicus's Vile Duplication by paying , creating a token copy of Kodama of the East Tree that isn't legendary.
2. Play Guildless Commons.
3. Kodama of the East Tree, the Kodama of the East Tree token, and Guildless Commons trigger.
4. Resolve the Kodama of the East Tree token's trigger, choosing not to put anything from your hand onto the battlefield.
5. Resolve the Guildless Commons trigger, returning it to your hand.
6. Resolve the Kodama of the East Tree trigger, putting Guildless Commons onto the battlefield.
7. The Kodama of the East Tree token and Guildless Commons trigger.
8. Resolve the Guildless Commons trigger, returning it to your hand.
9. Resolve the Kodama of the East Tree token's trigger, putting Guildless Commons onto the battlefield.
10. Kodama of the East Tree and Guildless Commons trigger.
11. Repeat from step 5.
12. Cast Irenicus's Vile Duplication by paying , creating a nonlegendary token copy of Kodama of the East Tree with haste.
13. Play Guildless Commons.
14. Both Kodama of the East Trees and Guildless Commons trigger.
15. Resolve the token Kodama of the East Tree trigger, choosing not to put anything from your hand onto the battlefield.
16. Resolve the Guildless Commons trigger, returning it to your hand from the battlefield.
17. Resolve the nontoken Kodama of the East Tree trigger, putting Guildless Commons from your hand onto the battlefield.
18. The token Kodama of the East Tree and Guildless Commons trigger.
19. Resolve the Guildless Commons trigger, returning it to your hand from the battlefield.
20. Resolve the token Kodama of the East Tree trigger, putting Guildless Commons from your hand onto the battlefield.
21. The nontoken Kodama of the East Tree and Guildless Commons trigger.
22. Repeat from step 5.

Results