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}
Near Mint - $4.70
Near Mint Non-English - $4.70
Lightly Played - $4.30
Lightly Played Non-English - $4.30
Played - $3.30
Played Non-English - $3.30
Heavily Played - $2.90
Heavily Played Non-English - $2.90
Damaged - $2.40
Damaged Non-English - $2.40