Kiki-Jiki, Mirror Breaker, and Breaching Hippocamp

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Breaching Hippocamp on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Breaching Hippocamp
2. The Breaching Hippocamp token enters the battlefield ability triggers, untapping Kiki-Jiki
3. Repeat

Results

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