Orthion, Hero of Lavabrink, Thornbite Staff, and Catalyst Elemental

Prerequisites

• Orthion, Hero of Lavabrink on the battlefield
• Thornbite Staff on the battlefield
• Catalyst Elemental on the battlefield
• Orthion does not have summoning sickness
• Thornbite Staff attached to Orthion
• available

Steps

1. Activate Orthion's second ability by paying and tapping it, creating five token copies of Catalyst Elemental with haste
2. Activate the five Catalyst Elemental tokens by sacrificing them, adding ten
3. When the Catalyst Elemental tokens die, Orthion triggers, untapping itself
4. Repeat
5. Once you have infinite mana, you may forego sacrificing the Catalyst Elemental tokens and/or target any other creature

Results

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