Cursed Armaments

Equipped creature gets -2/0 for each creature
owner of Cursed Armaments controls.
When Cursed Armaments is put into a
graveyard from the battlefield, return Cursed
Armaments to play under your opponents
control attached to a creature they control.
Equip {5} ({5}: Attach to target creature you
control. Equip only as a sorcery.)