Color Identity: G

Initial Card State
- Urban Daggertooth and Walking Ballista on the battlefield.
Notable Prerequisites
- Urban Daggertooth has at least one +1/+1 counter.
- Walking Ballista has at least two +1/+1 counters.
Steps
- Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 1 damage to Urban Daggertooth.
- Urban Daggertooth triggers, putting a +1/+1 counter on itself and Walking Ballista.
- Repeat.
Results
- Infinite +1/+1 counters on a creature.
- Infinite proliferate.
Bracket Tag
This combo has been estimated to be Oddball (Bracket 2-3+).