Kodama of the East Tree | Boros Garrison | Retreat to Emeria

Cards

Play
Boros Garrison.
When
Boros Garrison enters the battlefield, it,
Retreat to Emeria, and
Kodama of the East Tree trigger.
Resolve the
Kodama of the East Tree trigger, choosing not to put anything from your hand onto the battlefield.
Resolve the
Boros Garrison trigger, returning it from the battlefield to your hand.
Resolve the
Retreat to Emeria trigger, creating a token.
When the token enters the battlefield,
Kodama triggers, putting
Boros Garrison from your hand onto the battlefield.
When
Boros Garrison enters the battlefield, it and
Retreat to Emeria trigger.
Repeat from step 4.