Dr. Connor's Serum

{g/u}{g/u}{t}: exile target creature you control,
discard a card at random, and put a 6/6
green Lizard with First Strike, Trample,
and, "Whenever this creature would be
killed instead it gains indestructible until
end of turn, and a -1/-1 counter" onto the battlefield.
Don't you just love the scientific method?