Ruco, Code 2434 (WXDi-CP01-048[EN]) [Collab Booster: Nijisanji Diva]

[Const]: Use costs of your "Darkness Eater" are reduced by (C2).

[Auto][Turn 1]: When the power of a SIGNI on your opponent's field becomes 0 or less, put the top card of your opponent's deck into their trash for each other "Virtual" SIGNI on your field.