Kiki-Jiki, Mirror Breaker, Dockside Extortionist, and Crab Umbra

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Dockside Extortionist on the battlefield
• Crab Umbra on the battlefield
• Crab Umbra attached to Kiki-Jiki
• Opponents control at least four artifacts and/or enchantments

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Dockside Extortionist with haste
2. When the token enters the battlefield, it triggers, creating at least four Treasures
3. Activate three Treasures by tapping and sacrificing them, adding
4. Activate Crab Umbra by paying , untapping Kiki-Jiki
5. Repeat
6. Once you have infinite Treasures, you may instead create token copies of any other nonlegendary creature you control

Results

• Infinite colored mana
• Infinite copies of nonlegendary creatures you control with haste
• Infinite creature tokens with haste
• Infinite ETB
• Infinite Treasure tokens