Equip only to a Psychic-Type monster. If your Life Points are lower than your opponent's, the equipped monster gains ATK equal to the difference (max. 2000).
Near Mint Unlimited - $0.10
Lightly Played Unlimited - $0.10
Moderately Played Unlimited - $0.10
Played Unlimited - $0.10
Near Mint 1st Edition - $0.20
Lightly Played 1st Edition - $0.20
Moderately Played 1st Edition - $0.20
Played 1st Edition - $0.10