Kiki-Jiki, Mirror Breaker, Thornbite Staff, and Sling-Gang Lieutenant

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Thornbite Staff on the battlefield
• Sling-Gang Lieutenant on the battlefield
• Thornbite Staff attached to Kiki-Jiki

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Sling-Gang Lieutenant with haste
2. Sling-Gang Lieutenant enters the battlefield, creating two 1/1 Goblin tokens
3. Activate Sling-Gang Lieutenant by sacrificing a Goblin
4. Kiki-JIki triggers, untapping itself
5. Resolve the Sling-Gang Lieutenant ability, causing target player to lose 1 life and you to gain 1 life
6. Repeat

Results

• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers