Rosie Cotton of South Lane, and Scurry Oak

Prerequisites

• Rosie Cotton of South Lane in hand
• Scurry Oak on the battlefield
• available

Steps

1. Cast Rosie Cotton by paying
2. When Rosie Cotton enters the battlefield, its first ability triggers, creating a Food token
3. Rosie Cotton's second ability triggers, putting a +1/+1 counter on Scurry Oak
4. Scurry Oak triggers, creating a 1/1 Squirrel creature token
5. Repeat from step 3

Results

• Infinite creature tokens
• Infinite ETB
• Infinite +1/+1 counters on a creature