If this card is Special Summoned by the effect of a "Gouki" card, or Normal Summoned: You can target 1 face-up monster your opponent controls; its ATK becomes half its original ATK until the end of this turn. If this card is sent from the field to the GY: You can add 1 "Gouki" card from your Deck to your hand, except "Gouki Bearhug". You can only use each effect of "Gouki Bearhug" once per turn.