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 - $1.50
Near Mint Non-English - $1.50
Lightly Played - $1.30
Lightly Played Non-English - $1.30
Played - $1.00
Played Non-English - $1.00
Heavily Played - $0.90
Heavily Played Non-English - $0.90
Damaged - $0.80
Damaged Non-English - $0.80