Marath, Will of the Wild + Agatha's Soul Cauldron + Wildwood Mentor + Thermopod

Marath, Will of the Wild

Agatha's Soul Cauldron

Wildwood Mentor

Thermopod

How it works

1. Activate Wildwood Mentor using Marath's ability by paying 1 and removing a +1/+1 counter from it, creating a 1/1 Elemental creature token.
2. When the Elemental enters the battlefield, Wildwood Mentor's first ability triggers, putting a +1/+1 counter on itself.
3. Activate Thermopod's second ability by sacrificing the Elemental, adding .
4. Repeat.