Wildwood Scourge, Conspiracy, and Croaking Counterpart

Prerequisites

• Wildwood Scourge on the battlefield
• Conspiracy on the battlefield
• Croaking Counterpart in hand
• You have a way to put a +1/+1 counter on Wildwood Scourge
• Any creature type except "Hydra" or "Frog" chosen with Conspiracy
• each turn available

Steps

1. Cast Croaking Counterpart by paying , creating a token copy of Wildwood Scourge that is a 1/1 Frog
2. Put a +1/+1 counter on either Wildwood Scourge
3. The Wildwood Scourge who didn't have the counter put on it triggers, putting a +1/+1 counter on itself
4. Repeat step 3

Results

• Infinite +1/+1 counters on a creature token
• Infinite +1/+1 counters on Wildwood Scourge