Lividus, Blood Betrayer

Flying, Trample
When Lividus, Blood Betrayer attacks, you may
discard a card and if you do, draw a card.
{x}{r}{r}{t} Lividus deals X damage to target
creature or Planeswalker.
{4}{u}{u} Gain control of Lividus.
Any player may activate this ability once during
any turn; Lividus gains haste until your next
end step and is goaded.