Deadpool, Merc with the Mouth

{2}, {t}, Discard a card: Deadpool, Merc with the Mouth deals 2 damage to target player.
{3}{r}: Deadpool, Merc with the Mouth gains deathtouch until the end of turn. You may regenerate Deadpool, Merc with the Mouth if it was the only creature you controlled that attacked this turn.
"I promise, I'll be gentle... I know it's you first time. Good thing I brought protection!"