Dark Magic

{t}:summon 3 3/3 reassembling skeletons.
{t}:put +X/+X on target card, where X is equal to your life total.
{t}:give target card one elemental power.this ability is unusable unless you have an elemental power card.
{ut}:exile one target card you don't control. gain life equal to its total power/toughness.
this card can only untap from using its untap ability. this card can only be used once per turn and only on your turn.