ギャラクティカ・レミニセンス　Galactica Reminiscence
Level 7 LIGHT Galaxy Effect Monster
ATK 2400
DEF 2000
[REQUIREMENT] You can activate this by shuffling 1 Trap Card from your GY and shuffle it back into the Deck.
[EFFECT] All face-up Galaxy monsters you control gain 400 ATK until the end of the turn. If you control a face-up “Galactica Oblivion”, also, all face-up monsters your opponent controls lose 1000 ATK until the end of the turn.

Source: Saikyo Jump