Ring of Destruction [BP01-EN050] Starfoil Rare BT2-108 ) Once per Turn Defense

) Once per Turn Defense Reaction - [3 Resource]: If an Earth card is pitched this way

Set: Dark Revelation Volume 4 Card type: Normal Spell Rarity: Rare Activate only while you control a face-up "Ancient Gear" monster

both players must Set Spell Cards before activating them

You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard

You can only use each effect of "Duoterion" once per turn

Ring of Destruction [BP01-EN050] Starfoil Rare BT2-108 ) Once per Turn DefenseSet: Battle Pack: Epic Dawn Card type: Normal Trap Rarity: Starfoil Rare Target 1 face up monster on the field; destroy that target, and if you do, inflict damage to both players equal to that target's ATK.