You can only control 1 "Ryu-Ge Realm - Dino Domains". "Ryu-Ge" monsters you control gain 300 ATK. "Ryu-Ge" Pendulum Monsters, and Level 10 or higher monsters whose original Type is Dinosaur, that you control, gain this effect.
• Once per turn, when an effect of a monster on the field with less ATK than this card is activated (Quick Effect): You can place 1 "Ryu-Ge" Continuous Spell you control on the bottom of the Deck; negate the activation.