Zero-Day Blaster [SDRR-EN033] Super Rare
1st Edition - NM
Not Buying
![Gem-Knight Master Diamond [BLMM-EN143] Ultra Rare](https://cdn.shopify.com/s/files/1/0524/2277/0879/files/636037.jpg?v=1755874191)
Gem-Knight Master Diamond [BLMM-EN143] Ultra Rare
| Set: | Battles of Legend: Monster Mayhem |
| Card type: | Fusion/Effect Monster |
| Rarity: | Ultra Rare |
| Attack: | 2900 |
| Defense: | 2500 |
3 "Gem-Knight" monsters
Must first be Fusion Summoned. Gains 100 ATK for each "Gem-" monster in your GY. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your GY; until the End Phase, this card's name becomes that monster's original name, also replace this effect with that monster's original effects.