Sword of the Paruns

As long as equipped creature is tapped, tapped creatures you control get +2/+0.
As long as equipped creature is untapped, untapped creatures you control get +0/+2.
{3}: You may tap or untap equipped creature.
Equip {3}

Ravnica Remastered

Commander Anthology

Commander 2013

As long as equipped creature is tapped, tapped creatures you control get +2/+0.
As long as equipped creature is untapped, untapped creatures you control get +0/+2.{3}: You may tap or untap equipped creature.
Equip {3}

If equipped creature becomes tapped, untapped creatures you control will immediately lose the +0/+2 bonus. This may cause nonlethal damage already dealt to them that turn to become lethal. The Paruns would want you to be careful.