Skull Dice [EDS-003] Secret Rare BT6-014 and equip it to this

and equip it to this card

Set: Abyss Rising Card type: Continuous Trap Rarity: Ultra Rare Special Summon 1 "Mermail" monster from your Deck

5 Card type: Digimon Rarity: Secret Rare Digi type: Dragonkin Play Cost: 13 Form: Mega Attribute: Virus Digivolve Cost: 4 Digivolve Cost Level: 5 While your opponent has a Digimon with 10000 DP or more in play

including ship cards

Whenever Dracona Optimai attacks a hero

Skull Dice [EDS-003] Secret Rare BT6-014 and equip it to thisSet: Eternal Duelist Soul Card type: Normal Trap Rarity: Secret Rare Roll 1 six sided die. The result is multiplied by 100 points and subtracted from the ATK and DEF of all monsters in your opponent's control until the end of your turn. Monsters summoned after this card's activation are excluded.