Batarang

Equipped creature has "Sacrifice Batarang: Deal
2 damage to target creature or player."
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{t}, Attach Batarang to a creature you don't control: That creature has "equip creature does not untap until its next turn. That creature can't attack or block and can't use its activated abilities."