Slimefoot and Squee, Phyrexian Altar, and Priest of Gix

Prerequisites

• Slimefoot and Squee on the battlefield
• Phyrexian Altar on the battlefield
• Priest of Gix on the battlefield
• You control at least one Saproling
• , plus either , or available available

Steps

1. Activate Phyrexian Altar twice by sacrificing Priest of Gix 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 Priest of Gix from your graveyard to the battlefield
3. When Priest of Gix and Slimefoot and Squee enter the battlefield, their abilities trigger
4. Resolve the Priest of Gix trigger, adding
5. Resolve the Slimefoot and Squee trigger, creating a 1/1 Saproling creature token
6. Repeat

Results

• Infinite black mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers