One with the Kami, Umbral Mantle, and Ashnod's Altar

Prerequisites

• One with the Kami on the battlefield
• Umbral Mantle on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing the creature with Umbral Mantle attached, adding
2. One with the Kami triggers, creating a number of 1/1 Spirit creature tokens equal to that creature's power
3. Activate Umbral Mantle's equip ability by paying , attaching it to a Spirit token
4. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinitely large creature until end of turn