Corrosive Slime Guardian

Defender, Wither
Whenever Corrosive Slime Guardian
is dealt combat damage, create 2 1/1
Black Green Blue Corrosive Ooze
creature tokens with wither.
If a creature dies with a -1/-1 counter on it this
turn, draw 1 card then put a +1/+1 counter on
an ooze creature. This ability triggers
only once per turn.