Card Tips:Gem-Knight Crystal
- This card can be searched by "Gem-Knight Alexandrite", "Gem-Armadillo", "Absorb Fusion", "Gem-Knight Phantom Quartz", "Gem-Knight Sardonyx", "Cosmo Brain", "Summoner's Art", "Successor Soul", "Magikey Spirit - Vepartu", "Dragoons of Draconia", "Soul Unseal", "Princess Cologne", "Supernatural Danger Zone", "Doki Doki", "Gallant Granite", "BOXer", "Frontline Observer", "Additional Mirror Level 7", and other generic searchers.
- This card is the perfect target for the second effect of "Particle Fusion", Fusion Summon "Gem-Knight Ruby" using this card then Tribute it to raise the ATK of "Ruby" to 4950.
