Mithrax the Violent

({p/r} can be paid with either {r} or 2 life.)
First strike, haste
Whenever a nonartifact creature dealt damage by Mithrax the Violent this turn dies, Mithrax deals
2 damage to target nonartifact creature or player.
{3}{p/r}{p/r}: Mithrax deals 3 damage to target creature.