Nested Ghoul + Intruder Alarm + Heavy Arbalest

Prerequisites

• Heavy Arbalest attached to Nested Ghoul.
• Nested Ghoul does not have summoning sickness.
• You have a way to give Nested Ghoul indestructible.

Steps

1. 1Give Nested Ghoul indestructible, if needed.
2. 2Activate Nested Ghoul by tapping it, dealing 2 damage to itself.
3. 3Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token.
4. 4When the Phyrexian Zombie enters the battlefield, Intruder Alarm triggers, untapping all creatures.
5. 5Repeat from step 2.

Effects

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