Intruder Alarm + Splinter Twin

UR identity

Commander legal

The 2 combo pieces

• Intruder Alarm
• Splinter Twin

What must be in place

Splinter Twin attached to any nonlegendary creature you control without summoning sickness.

How to execute it

1. Activate the creature with Splinter Twin attached, creating a token copy of itself with haste.
2. The token enters the battlefield, triggering Intruder Alarm, untapping all creatures.
3. Repeat.

What the combo produces

• Infinite creature tokens with haste
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of creatures