FLIP: You can change all other face-up monsters on the field to face-down Defense Position. You can only use this effect of "Subterror Behemoth Ultramafus" once per turn.
When a face-up monster you control is flipped face-down, if you control no face-up monsters: You can Special Summon this card from your hand in Defense Position. Once per turn: You can change this card to face-down Defense Position.
Near Mint / Lightly Played Unlimited - $2.00
Moderately Played Unlimited - $2.00
Heavily Played Unlimited - $1.50
Damaged Unlimited - $1.50
Near Mint / Lightly Played 1st Edition - $2.50
Moderately Played 1st Edition - $2.50
Heavily Played 1st Edition - $2.00
Damaged 1st Edition - $1.50