Orthion, Hero of Lavabrink, Thornbite Staff, and Verdant Eidolon

Prerequisites

• Orthion, Hero of Lavabrink on the battlefield
• Thornbite Staff on the battlefield
• Verdant Eidolon 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 Verdant Eidolon with haste
2. Activate a Verdant Eidolon token by paying and sacrificing it, adding if it's the first or second token you've sacrificed, or otherwise
3. When the Verdant Eidolon token dies, Orthion triggers, untapping itself
4. Repeat from step 2 for each remaining Verdant Eidolon token
5. Repeat from step 1
6. Once you have infinite mana, you may forego sacrificing the Verdant Eidolon tokens and/or target any other creature

Results

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