Golgari Rot Farm + Skyshroud Ranger + Elven Raft-Steerer

Golgari Rot Farm

Skyshroud Ranger

Elven Raft-Steerer

How it works

1. Activate Skyshroud Ranger by tapping it, putting Golgari Rot Farm from your hand onto the battlefield.
2. When Golgari Rot Farm enters the battlefield, it and Elven Raft-Steerer trigger.
3. Resolve the Golgari Rot Farm trigger, returning itself from the battlefield to your hand.
4. Resolve the Elven Raft-Steerer trigger, untapping Skyshroud Ranger.
5. Repeat.