Springheart Nantuko, Selesnya Sanctuary, Dryad of the Ilysian Grove, and Spelunking

Prerequisites

• Springheart Nantuko on the battlefield
• Selesnya Sanctuary in hand
• Dryad of the Ilysian Grove on the battlefield
• Spelunking on the battlefield

Steps

1. Play Selesnya Sanctuary
2. When it enters untapped due to Spelunking, Selesnya Sanctuary and Springheart Nantuko trigger
3. Holding priority, activate Selesnya Sanctuary by tapping it, adding
4. Resolve the Selesnya Sanctuary trigger, returning it from the battlefield to your hand
5. Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Dryad of the Ilysian Grove
6. Because of the additional Dryad of the Ilysian Grove token, you can play an additional land this turn
7. Repeat

Results

• Infinite creature tokens
• Infinite landfall triggers
• Infinite ETB