You can activate 1 of these effects;
• Banish up to 1 LIGHT and up to 1 DARK monster from your hand and/or GY; increase or decrease this card's Level by the exact number banished, until the end of this turn.
• Target up to 2 of your banished monsters (1 LIGHT and/or 1 DARK); return them to the GY, and if you do, increase or decrease this card's Level by the exact number returned, until the end of this turn.
You can only use this effect of "Mental Tuner" once per turn.
NM-Mint 1st Edition - $0.10
Lightly Played 1st Edition - $0.10
Moderately Played 1st Edition - $0.10
Heavily Played 1st Edition - $0.10
Damaged 1st Edition - $0.10
NM-Mint 1st Edition Non English - $0.10
Lightly Played 1st Edition Non English - $0.10
Moderately Played 1st Edition Non English - $0.10
Heavily Played 1st Edition Non English - $0.10
Damaged 1st Edition Non English - $0.10