Orthion, Hero of Lavabrink, Priest of Urabrask, Thornbite Staff, and Ashnod's Altar

Prerequisites

• Orthion, Hero of Lavabrink on the battlefield
• Priest of Urabrask on the battlefield
• Thornbite Staff on the battlefield
• Ashnod's Altar on the battlefield
• Orthion does not have summoning sickness
• available

Steps

1. Activate Orthion's first ability by paying and tapping it, creating a token copy of Priest of Urabrask with haste
2. When the token Priest of Urabrask enters the battlefield, it triggers, adding
3. Activate Ashnod's Altar by sacrificing the Priest of Urabrask token, adding
4. When the Priest of Urabrask token dies, Orthion triggers, untapping itself
5. Repeat
6. Once you have infinite colored mana, you may instead use Orthion's second ability to make copies of any creature(s) you control

Results

• Infinite colorless mana
• Infinite copies of creatures you control
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite red mana
• Infinite sacrifice triggers