Ring of Destruction [YS17-EN036] Common Unidentifed Each booster contains at least

Each booster contains at least 6 special alternate-frame cards

you can add 1 excavated "Sky Striker" card to your hand

Eight of these booster are clearly marked as "Masterpiece Boosters"

and destroy all those monsters with 1500 or more ATK

Ring of Destruction [YS17-EN036] Common Unidentifed Each booster contains at leastSet: Starter Deck: Link Strike Card type: Normal Trap Rarity: Common During your opponent's turn: Target 1 face up monster your opponent controls whose ATK is less than or equal to their LP; destroy that face up monster, and if you do, take damage equal to its original ATK, then inflict damage to your opponent, equal to the damage you took. You can only activate 1 "Ring of Destruction" per turn.