Magic Muskox Skull

{t}{4}{b}: Return target muskox creature from the graveyard to your hand.
{t}{4}{r}: Deal damage equal to amount of muskox
you control to target creature or player.
{t}{4}{w}: Muskox creatures you control gain
+2/+2 and vigilance until end of turn.
{t}: resolve all abilities above,do this again, then destroy this artifact.