Nissa, Resurgent Animist, Dryad Arbor, Lotus Cobra, and Springheart Nantuko

Prerequisites

• Nissa, Resurgent Animist on the battlefield
• Dryad Arbor on the battlefield
• Lotus Cobra 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, Lotus Cobra and Nissa trigger
3. Resolve the Lotus Cobra and Nissa triggers, adding
4. Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Dryad Arbor
5. When the Dryad Arbor token enters the battlefield, Springheart Nantuko, Lotus Cobra and Nissa trigger
6. Repeat from step 3

Results

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