Xavier Sal, Infested Captain + Scurry Oak + Intruder Alarm

Prerequisites

• 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.

Steps

1. 1Activate Xavier Sal's second ability by tapping it and sacrificing any other creature you control, putting a +1/+1 counter on Scurry Oak.
2. 2Scurry Oak triggers, creating a 1/1 Squirrel creature token.
3. 3When the Squirrel enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4. 4Repeat.
5. 5Once 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.

Effects

• Infinite +1/+1 counters on a creature
• Infinite copies of creature tokens you control
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite proliferate
• Infinite sacrifice triggers
• Infinite untap of creatures
• Infinite untap of creatures you control