Springheart Nantuko, Simic Growth Chamber, Wayward Swordtooth, and Tiller Engine

Prerequisites

• Springheart Nantuko on the battlefield
• Simic Growth Chamber in hand
• Wayward Swordtooth on the battlefield
• Tiller Engine on the battlefield

Steps

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

Results

• Infinite creature tokens
• Infinite landfall triggers
• Infinite ETB