Irenicus's Vile Duplication and Golgari Rot Farm in hand.
({3} magic symbol) ({U} magic symbol) available.
Steps
Cast Irenicus's Vile Duplication by paying ({3} magic symbol) ({U} magic symbol) , creating a nonlegendary token copy of Kodama of the East Tree with haste.
Play Golgari Rot Farm.
Both Kodama of the East Trees and Golgari Rot Farm trigger.
Resolve the token Kodama of the East Tree trigger, choosing not to put anything from your hand onto the battlefield.
Resolve the Golgari Rot Farm trigger, returning it to your hand from the battlefield.
Resolve the nontoken Kodama of the East Tree trigger, putting Golgari Rot Farm from your hand onto the battlefield.
The token Kodama of the East Tree and Golgari Rot Farm trigger.
Resolve the Golgari Rot Farm trigger, returning it to your hand from the battlefield.
Resolve the token Kodama of the East Tree trigger, putting Golgari Rot Farm from your hand onto the battlefield.
The nontoken Kodama of the East Tree and Golgari Rot Farm trigger.