Dusknoir (037/131) (Master Ball Pattern) [Scarlet & Violet: Prismatic Evolutions] Darkness [-30] You can only use this

You can only use this effect of "Ascension Sky Dragon" once per turn

Set: OTS Tournament Pack 17 Card type: Normal Trap Rarity: Ultimate Rare Target 1 face-up monster your opponent controls

except "Lady Labrynth of the Silver Castle" (Quick Effect): You can Special Summon this card from your hand in Defense Position

During your End Phase: Tribute 1 other monster or destroy this card

up to 1 of your opponent's Characters with a cost equal to or less than the number of your opponent's Life Cards

Dusknoir (037/131) (Master Ball Pattern) [Scarlet & Violet: Prismatic Evolutions] Darkness [-30] You can only use thisSet: Scarlet & Violet: Prismatic Evolutions Rarity: Rare