At the beginning of each end step, put a slime counter on each creature you don't control. Creatures you don't control get -1/-1 for each slime counter on them. Whenever a creature you don't control with a slime counter on it dies, create a 1/1 black Slug creature token. {U}{B}, Sacrifice a Slug: Draw a card.
NM-Mint - $12.70
Lightly Played - $11.40
Moderately Played - $10.20
Heavily Played - $8.90
Damaged - $6.40
NM-Mint Non English - $12.70
Lightly Played Non English - $11.40
Moderately Played Non English - $10.20
Heavily Played Non English - $8.90
Damaged Non English - $6.40