Grenzo, Dungeon Warden, Soldevi Digger, Dockside Extortionist, and Altar of Dementia

Prerequisites

• Grenzo, Dungeon Warden on the battlefield
• Soldevi Digger on the battlefield
• Dockside Extortionist on the battlefield
• Altar of Dementia on the battlefield
• Opponents control at least four artifacts and/or enchantments
• available

Steps

1. Activate Altar of Dementia by sacrificing Dockside Extortionist, causing target player to mill cards equal to Dockside Extortionist's power
2. Activate Soldevi Digger by paying , putting Dockside Extortionist from your graveyard on the bottom of your library
3. Activate Grenzo by paying , putting Dockside Extortionist from the bottom of your library into your graveyard, and then onto the battlefield
4. Dockside Extortionist enters the battlefield, creating at least four Treasure artifact tokens
5. Activate four Treasures by tapping and sacrificing them, adding
6. Repeat
7. If opponents control at least five artifacts and/or enchantments, this combo nets infinite Treasure tokens and colored mana

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite Treasure tokens