Requires

Ghave, Guru of Spores must be on the battlefield. Ivy Lane Denizen must be on the battlefield. Mana Echoes must be on the battlefield. Ghave has at least two +1/+1 counters on it. Mana needed:

Steps

1. Activate Ghave's first ability by paying and removing a +1/+1 counter from it, creating a 1/1 Saproling creature token.
2. When the Saproling enters the battlefield, Ivy Lane Denizen and Mana Echoes trigger.
3. Resolve the Ivy Lane Denizen trigger, putting a +1/+1 counter on Ghave.
4. Resolve the Mana Echoes trigger, adding for each Saproling you control.
5. Repeat.
6. Once you have infinite mana and creature tokens, you may put infinite +1/+1 counters on creatures you control using Ghave's second ability.

Results