Coercive Recruiter, and Splinter Twin

Prerequisites

• Coercive Recruiter on the battlefield
• Splinter Twin on the battlefield
• Splinter Twin attached to Coercive Recruiter
• Coercive Recruiter does not have summoning sickness

Steps

1. Activate Coercive Recruiter by tapping it, creating a token copy of itself with haste
2. The token Coercive Recruiter enters the battlefield, untapping the nontoken Coercive Recruiter
3. Repeat

Results

• Infinite creature tokens with haste
• Infinite ETB