Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity.
A deck can have any number of cards named Slime Against Humanity.
NM-Mint Foil - $233.60
Lightly Played Foil - $221.90
Moderately Played Foil - $210.20
Heavily Played Foil - $186.90
Damaged Foil - $151.90
NM-Mint Foil Non English - $233.60
Lightly Played Foil Non English - $221.90
Moderately Played Foil Non English - $210.20
Heavily Played Foil Non English - $186.90
Damaged Foil Non English - $151.90