Mephiston - Lord of Death

First Strike.

Black Rage (At the end of you turn flip a coin.
If the result is heads, put a +1/+1 counter on this creature, otherwise put a -1/-1 counter on this creature)

{w}{w}{w}: Remove Mephiston from the game, then return Mephiston to the battlefield tapped at the
end of the turn and draw a card.