Requires

Agatha's Soul Cauldron must be on the battlefield. Wildwood Mentor must be on the battlefield. Ashnod's Altar must be on the battlefield. Triskelavus must be in exile (exiled by Agatha's Soul Cauldron). Wildwood Mentor has at least one +1/+1 counter on it. Mana needed:

Steps

1. Activate Wildwood Mentor using Triskelavus's first ability by paying and removing a +1/+1 counter from it, creating a 1/1 Triskelavite artifact creature token.
2. When the Triskelavite enters the battlefield, Wildwood Mentor's first ability triggers, putting a +1/+1 counter on itself.
3. Activate Ashnod's Altar by sacrificing the Triskelavite, adding .
4. Repeat.
5. Once you have infinite mana, you may forego sacrificing the Triskelavites, or activate their own abilities.

Results