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 - $246.50
Lightly Played Foil - $221.80
Moderately Played Foil - $197.20
Heavily Played Foil - $172.50
Damaged Foil - $123.30
NM-Mint Foil Non English - $246.50
Lightly Played Foil Non English - $221.80
Moderately Played Foil Non English - $197.20
Heavily Played Foil Non English - $172.50
Damaged Foil Non English - $123.30