Disarm/Sunder

Choose one of the following:
Target artifact has {0} equip cost and it gains Indestructible until the end of turn.
Destroy target artifact, its controller is dealt
damage equal to half its mana cost rounded up.
Gain control of target artifact, except it now
has an Accumalative Upkeep of {p/c} for as
long as you have control of it.