Xardis, Grixis Slayer

{p/b},{t}: Destroy target creature.
{p/u},{t}: Draw a card and you lose 1 life.
{p/r},{t}: Target opponent discards a card.
Whenever you draw a card, put a +1/+1 counter
on Xardis and a -1/-1 counter on another target creature.
Hexproof, Reach, Menace