Kodama of the East Tree + Trench Behemoth + Tireless Provisioner

Prerequisites

You have a land card in hand.

Steps

1. Play a land card from your hand.
2. Kodama, Trench Behemoth and Tireless Provisioner trigger.
3. Resolve the Kodama trigger, choosing to put nothing onto the battlefield from your hand.
4. Resolve the Trench Behemoth trigger, targeting any creature an opponent controls.
5. Resolve the Tireless Provisioner trigger, creating a Food or a Treasure artifact token.
6. The Food or Treasure enters the battlefield, triggering Kodama.
7. Holding priority, activate Trench Behemoth by returning a land from the battlefield to your hand, untapping Trench Behemoth.
8. Resolve the Kodama trigger, putting a land onto the battlefield from your hand.
9. Trench Behemoth and Tireless Provisioner trigger.
10. Repeat from step 5.
11. Once you have infinite Treasure and/or Food tokens, you may activate the Treasures for infinite mana, and then activate the Foods for infinite lifegain.