Pestermite, and Splinter Twin

Prerequisites

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

Steps

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

Results

• Infinite creature tokens with haste
• Infinite ETB