Presumably for Dian Keto and upcoming Kappa Decks.
RD/SJMP-JP016 ライステラス・セキュア Raistellas Secure
Level 4 WATER Aqua Effect Monster
ATK 1200
DEF 0
[REQUIREMENT] You can activate this by sending 1 Level 5 or higher monster from the hand to the GY.
[EFFECT] Choose Attack Position non-Aqua monsters on your opponent’s field up to [THe number of face-up Aqua monsters on your field] and change them to face-up Defense Position.