Slimefoot and Squee, Phyrexian Altar, and Myr Battlesphere

Prerequisites

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

Steps

1. Activate Phyrexian Altar twice by sacrificing Myr Battlesphere 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 Myr Battlesphere from your graveyard to the battlefield
3. When Myr Battlesphere and Slimefoot and Squee enter the battlefield, their abilities trigger
4. Resolve the Slimefoot and Squee trigger, creating a 1/1 Saproling creature token
5. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr creature tokens
6. Activate Phyrexian Altar four times by sacrificing two Myrs, Myr Battlesphere and Slimefoot and Squee, adding
7. Repeat from step 2

Results

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