Sluggulk, the infected

Infect, deathtouch, haste, trample
Mutate (at the beginning of your upkeep roll a d6 if you roll an odd number put that many -1/+1 counters on this creature if you roll an even number put that many +1/-1 counters on this creature)
{2}{t}: gain control of target creature that creature gains haste, deathtouch, and mutate