Color Identity: G

Initial Card State
- All permanents on the battlefield (Marvin without summoning sickness and Ulvenwald Captive // Ulvenwald Abomination on the battlefield as Ulvenwald Abomination).
Steps
- Activate Marvin using Ulvenwald Abomination's ability by tapping it, adding ({C} magic symbol)
({C} magic symbol)
. - Activate Marvin using Farmstead Gleaner's ability by paying ({2} magic symbol)
and untapping it, putting a +1/+1 counter on Marvin. - Repeat.
Results
- Infinite +1/+1 counters on a creature.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).