Prerequisites
- Spawning Grounds on the battlefield
- Intruder Alarm on the battlefield
- Arbor Elf on the battlefield
- undefined
Steps
- Activate the Forest with Spawning Grounds attached by tapping it, creating a 5/5 Beast creature token
- The Beast enters the battlefield, triggering Intruder Alarm, untapping all creatures
- Activate Arbor Elf by tapping it, untapping the Forest
- Repeat
Results
- Infinite creature tokens
- Infinite ETB
- Infinite mana creatures you control can produce
- Infinite untap of creatures
Required Cards 3
Spawning Grounds
Enchantment — Aura
Arbor Elf
Creature — Elf Druid