Requires

Selvala, Eager Trailblazer must be on the battlefield. Earthcraft must be on the battlefield. Kor Skyfisher must be on the battlefield. You control at least one basic Plains. Mana needed:

Steps

1. Activate a basic Plains by tapping it, adding .
2. Cast Kor Skyfisher by paying .
3. Selvala triggers, creating a 1/1 Mercenary creature token.
4. When Kor Skyfisher enters the battlefield, it triggers.
5. Holding priority, activate Earthcraft by tapping Kor Skyfisher, untapping the Plains.
6. Resolve the Kor Skyfisher trigger, returning it to your hand from the battlefield.
7. Activate the Plains by tapping it, adding .
8. Activate Earthcraft by tapping the Mercenary, untapping the Plains.
9. Repeat.

Results