Mercurium the Living Quicksilver (Starlight Rare) [BPRO-EN084] Starlight Rare Common The box that broke all

The box that broke all records can hold 266+ double-sleeved cards in extra Thick Inner Sleeves* plus accessories

then negate its effect is the activation timing is incorrect

Speed Duel GX: Midterm Paradox contains 4 complete Speed Duel Decks with over 100 cards ready-to-play out of the box

except "Tenpai Dragon Genroku"

inflict double piercing battle damage

Mercurium the Living Quicksilver (Starlight Rare) [BPRO-EN084] Starlight Rare Common The box that broke allSet: Burst Protocol Card type: Xyz Effect Monster Rarity: Starlight Rare Attack: 3000 Defense: 3000 2+ Level 10 monsters If this card is Xyz Summoned: You can attach 1 monster from your Deck to this card as material. You can only use this effect of "Mercurium the Living Quicksilver" once per turn. While this card has material, your opponent cannot activate the effects of monsters in their GY with the same Attribute as a monster in your GY. Once per