Magneto, Master of Magnetism

Flying,cannot be controlled by any other player.
{u}: Tap or untap target artifact.
{2}{r}: Destroy target artifact, it deals damage
equal to its mana cost to any target.
{3}{u}{r}: Gain control of target artifact for as long as you control Magneto,Master of Magnetism.
Magnetic force field -Spend {x} mana: Spells your opponents control that target Magneto cost{x} more to cast.
"Peace was never an option, Charles "