Requires

Bristly Bill, Spine Sower must be on the battlefield. Fertilid must be on the battlefield. Tireless Provisioner must be on the battlefield. Nissa, Resurgent Animist must be on the battlefield. Fertilid has at least one +1/+1 counter on it. Mana needed:

Steps

1. Activate Fertilid by paying and removing a +1/+1 counter from it, searching your library for a basic land card and putting it onto the battlefield tapped.
2. When the land enters the battlefield, Bristly Bill, Nissa and Tireless Provisioner trigger.
3. Resolve the Bristly Bill trigger, putting a +1/+1 counter on Fertilid.
4. Resolve the Nissa and Tireless Provisioner triggers, adding and creating a Treasure token.
5. Activate the Treasure by tapping and sacrificing it, adding .
6. Repeat.

Results