Ghired, Mirror of the Wilds, and Pestermite

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Pestermite on the battlefield

Steps

1. Create a token copy of Pestermite
2. Activate Ghired by tapping it, creating a token copy of the Pestermite copy
3. When the Pestermite token enters the battlefield, it triggers, untapping Ghired
4. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens