Springheart Nantuko + Tiller Engine + Simic Growth Chamber + Icetill Explorer

Springheart Nantuko

Tiller Engine

Simic Growth Chamber

Icetill Explorer

How it works

1. Play Simic Growth Chamber. When it enters, Tiller Engine, Simic Growth Chamber and Springheart Nantuko trigger.
2. Resolve the Tiller Engine trigger, untapping Simic Growth Chamber.
3. Holding priority, activate Simic Growth Chamber by tapping it, adding .
4. Resolve the Simic Growth Chamber trigger, returning it from the battlefield to your hand.
5. Resolve the Springheart Nantuko trigger, causing you to pay 1 to create a token copy of Icetill Explorer.
6. Because of the additional Icetill Explorer token, you can play an additional land this turn.
7. Repeat.