The Poisoned Scorpion

Mutate {3}{b}{r}{p/b}{p/b}{p/r}
Deathtouch, Indestructible
Whenever you lose life, put half that many of
-1/-1 counters divided among any number of
target creatures.
Whenever this creature mutates, you may pay 2
life. If you do, another Phyrexian creature you
control fights target creature you don't control.