Nissa, Resurgent Animist, Dryad Arbor, Tireless Provisioner, and Springheart Nantuko

Prerequisites

• Nissa, Resurgent Animist on the battlefield
• Dryad Arbor on the battlefield
• Tireless Provisioner on the battlefield
• Springheart Nantuko on the battlefield
• You have at least one land card in hand
• You are able to play a land this turn

Steps

1. Play any land from your hand
2. When the land enters the battlefield, Springheart Nantuko, Tireless Provisioner and Nissa trigger
3. Resolve the Nissa trigger, adding
4. Resolve the Tireless Provisioner trigger, creating a Treasure token
5. Holding priority, activate the Treasure by tapping and sacrificing it, adding
6. Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Dryad Arbor
7. When the Dryad Arbor token enters the battlefield, Springheart Nantuko, Tireless Provisioner and Nissa trigger
8. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB
• Infinite Forest tokens
• Infinite landfall triggers
• Infinite green mana