Slimefoot and Squee + Sek'Kuar, Deathkeeper + Phyrexian Altar

Slimefoot and Squee

Sek'Kuar, Deathkeeper

Phyrexian Altar

How it works

1. Activate Phyrexian Altar twice by sacrificing another nontoken creature you control and Slimefoot and Squee, adding 1.
2. When the creatures die, Sek'Kuar triggers twice, creating two 3/1 Graveborn creature tokens.
3. Activate Phyrexian Altar by sacrificing the two Graveborns, adding .
4. Activate Slimefoot and Squee by paying 1 and sacrificing a Saproling, returning it and another creature from your graveyard to the battlefield.
5. When Slimefoot and Squee enter the battlefield, it triggers, creating a 1/1 Saproling creature token.
6. Repeat.