Springheart Nantuko, Dryad Arbor, Nissa, Who Shakes the World, and Concordant Crossroads

Prerequisites

• Springheart Nantuko on the battlefield
• Dryad Arbor on the battlefield
• Nissa, Who Shakes the World on the battlefield
• Concordant Crossroads on the battlefield
• You have at least one land card in hand
• You are able to play a land this turn
• available

Steps

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

Results

• Infinite ETB
• Infinite landfall triggers
• Infinite tapped creature tokens
• Infinite tapped Forest tokens