Donatello, the Brains, Scurry Oak, and Thermopod

Prerequisites

• Donatello, the Brains on the battlefield
• Scurry Oak on the battlefield
• Thermopod on the battlefield
• available

Steps

1. Put a +1/+1 counter on Scurry Oak
2. Scurry Oak triggers, creating a creature token and a Mutagen token due to Donatello
3. Activate Thermopod by sacrificing the creature token, adding
4. Activate the Mutagen by paying , tapping and sacrificing it, putting a +1/+1 counter on Scurry Oak
5. Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers