Slimefoot and Squee, Phyrexian Altar, and Dockside Extortionist

Prerequisites

• Slimefoot and Squee on the battlefield
• Phyrexian Altar on the battlefield
• Dockside Extortionist on the battlefield
• Opponents control at least three artifacts and/or enchantments
• You control at least one Saproling
• , plus either , or available available

Steps

1. Activate Phyrexian Altar twice by sacrificing Dockside Extortionist and Slimefoot and Squee, adding two mana in any combination of , or
2. Activate Slimefoot and Squee by paying and sacrificing a Saproling, returning it and Dockside Extortionist from your graveyard to the battlefield
3. When Dockside Extortionist and Slimefoot and Squee enter the battlefield, their abilities trigger
4. Resolve the Dockside Extortionist trigger, creating at least three Treasure tokens
5. Resolve the Slimefoot and Squee trigger, creating a 1/1 Saproling creature token
6. Activate two Treasures by tapping and sacrificing them, adding
7. Repeat

Results

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