Coercive Recruiter, Marrow-Gnawer, and Maskwood Nexus

Prerequisites

• Coercive Recruiter on the battlefield
• Marrow-Gnawer on the battlefield
• Maskwood Nexus on the battlefield
• Marrow-Gnawer does not have summoning sickness

Steps

1. Activate Marrow-Gnawer by tapping it and sacrificing another creature, creating at least two 1/1 Rat creature tokens
2. When the Rats enters the battlefield as a Pirate due to Maskwood Nexus, Coercive Recruiter triggers twice, untapping Marrow-Gnawer, and causing you to untap any other creature and gain control of it until end of turn
3. Repeat

Results

• Gain control of any number of creatures until end of turn
• Infinite creature tokens
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control