A new Cyberse for Rush Duels arrives, that calculates what it takes to fill your Graveyard!
RD/GRP1-JP021 クリスタル・ブレーン Crystal Brain
Level 4 WATER Cyberse-Type Effect Monster
[Requirement] You can activate this during the turn this card was Normal Summoned.
[Effect] Send cards from the top of both player’s Decks x [The number of face-up monsters (Cyberse-Type) you control].