Requires

Springheart Nantuko must be on the battlefield. Mutavault must be on the battlefield. Tireless Provisioner must be on the battlefield. Mana needed:

Steps

1. Activate Mutavault's first ability by tapping it, adding .
2. Activate Mutavault's second ability by paying , causing it to become a creature until end of turn.
3. Cast Springheart Nantuko for its bestow cost by paying , attaching it to Mutavault.
4. Play any land.
5. When the land enters the battlefield, Springheart Nantuko and Tireless Provisioner trigger.
6. Resolve the Tireless Provisioner trigger, creating a Treasure token.
7. Activate the Treasure by tapping and sacrificing it, adding .
8. Resolve the Springheart Nantuko trigger, causing you to pay to create a token copy of Mutavault.
9. When the Mutavault token enters the battlefield, Tireless Provisioner and Springheart Nantuko trigger.
10. Holding priority, activate the Mutavault token's first ability by tapping it, adding .
11. Repeat from step 6.

Results