Intruder Alarm, and Selesnya Evangel

Prerequisites

• Intruder Alarm on the battlefield
• Selesnya Evangel on the battlefield
• Selesnya Evangel does not have summoning sickness
• An additional untapped creature
• from creature sources available

Steps

1. Pay and tap Selesnya Evangel tapping the additional creature to create a 1/1 Saproling
2. The Saproling enters untapping all creatures you control
3. Repeat

Results

• Infinite creature tokens
• Infinite ETB
• Infinite untap