Kiki-Jiki, Mirror Breaker, Umbral Mantle, and Composite Golem

Prerequisites

• Kiki-Jiki, Mirror Breaker on the battlefield
• Umbral Mantle on the battlefield
• Composite Golem on the battlefield
• Umbral Mantle attached to Kiki-Jiki

Steps

1. Activate Kiki-Jiki by tapping it, creating a token copy of Composite Golem with haste
2. Activate the Composite Golem token by sacrificing it, adding
3. Activate Kiki-Jiki by paying and untapping it, giving it +2/+2 until end of turn
4. Repeat
5. Once you have infinite mana, you may forego sacrificing the Composite Golem tokens and/or target any other nonlegendary creatures you control

Results

• Infinite colored mana
• Infinite copies of nonlegendary creatures you control with haste
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinitely large Kiki-Jiki until end of turn
• Infinite sacrifice triggers