Requires

Springheart Nantuko must be on the battlefield (attached to Dryad Arbor). Dryad Arbor must be on the battlefield. Nissa, Who Shakes the World must be on the battlefield. Urabrask the Hidden must be on the battlefield. You have at least one land card in hand. You are able to play a land this turn. Mana needed:

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