Intruder Alarm, and Flamewright

Prerequisites

• Intruder Alarm on the battlefield
• Flamewright on the battlefield
• Flamewright does not have summoning sickness
• from creature sources available

Steps

1. Pay and tap Flamewright to create a 1/1 Construct
2. The Construct enters untapping all creatures you control
3. Repeat

Results

• Infinite creature tokens with defender
• Infinite ETB
• Infinite untap