Orthion, Hero of Lavabrink, Dockside Extortionist, Thornbite Staff, and Altar of Dementia

Prerequisites

• Orthion, Hero of Lavabrink on the battlefield
• Dockside Extortionist on the battlefield
• Thornbite Staff on the battlefield
• Altar of Dementia on the battlefield
• Orthion does not have summoning sickness
• Opponents control at least three artifacts and/or enchantments
• available

Steps

1. Activate Orthion's first ability by paying and tapping it, creating a token copy of Dockside Extortionist with haste
2. When the token Dockside Extortionist enters the battlefield, it triggers, creating at least three Treasure tokens
3. Activate two Treasures by tapping and sacrificing them, adding
4. Activate Altar of Dementia by sacrificing the Dockside Extortionist token
5. When the Dockside Extortionist token dies, Orthion triggers, untapping itself
6. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Dockside Extortionist token's power
7. Repeat
8. Once you have infinite Treasure tokens, you may instead use Orthion's second ability to make copies of any creature(s) you control

Results

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