Xavier Sal, Infested Captain, Scurry Oak, and Thornbite Staff

Prerequisites

• Xavier Sal, Infested Captain on the battlefield
• Scurry Oak on the battlefield
• Thornbite Staff on the battlefield
• You control at least one additional creature
• Xavier Sal does not have summoning sickness
• Scurry Oak has at least one +1/+1 counter on it
• Thornbite Staff attached to Xavier Sal

Steps

1. Activate Xavier Sal's second ability by tapping it and sacrificing any other creature you control
2. When the creature dies, Xavier Sal triggers, untapping Xavier Sal
3. Resolve the Xavier Sal ability from step 1, putting a +1/+1 counter on Scurry Oak
4. Scurry Oak triggers, creating a 1/1 Squirrel creature token
5. Repeat
6. Once you have infinite +1/+1 counters on Scurry Oak, you may instead use Xavier Sal's first ability to get infinite copies of creature tokens you control

Results

• Infinite +1/+1 counters on Scurry Oak
• Infinite copies of creature tokens you control
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite proliferate
• Infinite sacrifice triggers