Feldon of the Third Path, Dockside Extortionist, Thornbite Staff, and Ashnod's Altar

Prerequisites

• Feldon of the Third Path on the battlefield
• Dockside Extortionist in the graveyard
• Thornbite Staff on the battlefield
• Ashnod's Altar on the battlefield
• Thornbite Staff attached to Feldon
• Feldon does not have summoning sickness
• Opponents control at least two artifacts and/or enchantments
• available

Steps

1. Activate Feldon by paying and tapping it, creating a token copy of Dockside Extortionist that is an artifact in addition to its other types
2. When Dockside Extortionist enters the battlefield, it triggers, creating at least two Treasure tokens
3. Activate a Treasure by tapping and sacrificing it, adding
4. Activate Ashnod's Altar by sacrificing Dockside Extortionist, adding
5. When Dockside Extortionist dies, Feldon triggers, untapping Feldon
6. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens