Slimefoot and Squee + Golgari Germination + Phyrexian Altar

Slimefoot and Squee

Golgari Germination

Phyrexian Altar

How it works

1. Activate Phyrexian Altar by sacrificing Slimefoot and Squee and another nontoken creature you control, adding .
2. When the creatures die, Golgari Germination triggers twice, creating two 1/1 Saproling creature tokens.
3. Activate Phyrexian Altar by sacrificing a Saproling, adding .
4. If you control two or more Saprolings, activate Phyrexian Altar by sacrificing a Saproling, adding 1.
5. Activate Slimefoot and Squee by paying 1 and sacrificing a Saproling, returning Slimefoot and Squee and another creature from your graveyard to the battlefield.
6. When Slimefoot and Squee enters the battlefield, it triggers, creating a 1/1 Saproling creature token.
7. Repeat.