Marath, Will of the Wild + Mana Echoes + Ivy Lane Denizen

Marath, Will of the Wild

Mana Echoes

Ivy Lane Denizen

How it works

1. Activate Marath 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, Ivy Lane Denizen and Mana Echoes trigger.
3. Resolve the Mana Echoes trigger, adding at least CC.
4. Resolve the Ivy Lane Denizen trigger, putting a +1/+1 counter on Marath.
5. Repeat.