When a Psychic-Type monster you control battles,during the Damage Step you can pay Life Points in multiples of 100 (max. 500). to have the monster it's battling lose that much ATK and DEF, until the End Phase.
Near Mint / Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $1.00
Heavily Played Unlimited - $1.00
Damaged Unlimited - $1.00
Near Mint / Lightly Played 1st Edition - $2.00
Moderately Played 1st Edition - $2.00
Heavily Played 1st Edition - $1.50
Damaged 1st Edition - $1.50