Give Nested Ghoul indestructible by any method.
Deal damage to Nested Ghoul.
Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token.
The Phyrexian Zombie enters the battlefield, triggering Warstorm Surge, causing the Phyrexian Zombie to deal damage equal to its power to Nested Ghoul.
Repeat from step 3.

Infinite creature tokens

Infinite creature ETB

Nested Ghoul

Warstorm Surge

Give Nested Ghoul indestructible by any method.
Deal damage to Nested Ghoul.
Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token.
The Phyrexian Zombie enters the battlefield, triggering Pandemonium, causing the Phyrexian Zombie to deal damage equal to its power to Nested Ghoul.
Repeat from step 3.

Pandemonium

Give Nested Ghoul indestructible by any method.
Deal damage to Nested Ghoul.
Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token.
The Phyrexian Zombie enters the battlefield, triggering Terror of the Peaks, dealing damage equal to the Phyrexian Zombie's power to Nested Ghoul.
Repeat from step 3.

Terror of the Peaks

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

Infinite mana creatures you control can produce

Infinite untap of creatures

Intruder Alarm

Heavy Arbalest

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

Viridian Longbow

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

Burning Anger

Cast Brawl by paying {3}{R}{R}.
Give Nested Ghoul indestructible, if needed.
Activate Nested Ghoul by tapping it, dealing damage equal to its power to itself.
Nested Ghoul triggers, creating a 2/2 Phyrexian Zombie creature token.
When the Phyrexian Zombie enters the battlefield, Intruder Alarm triggers, untapping all creatures.
Repeat from step 3.

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