The equipped monster gains 200 ATK for each monster in your GY. During the End Phase, if this card is in the GY because it was sent there from the field this turn: You can Set this card, but banish it when it leaves the field. You can only use this effect of "Disposable Learner Device" once per turn.
NM-Mint 1st Edition - $0.25
Lightly Played 1st Edition - $0.23
Moderately Played 1st Edition - $0.20
Heavily Played 1st Edition - $0.17
Damaged 1st Edition - $0.13
NM-Mint 1st Edition Non English - $0.25
Lightly Played 1st Edition Non English - $0.23
Moderately Played 1st Edition Non English - $0.20
Heavily Played 1st Edition Non English - $0.17
Damaged 1st Edition Non English - $0.13