Agitator of the Opposition, Vassago (SAO/S80-E061 U) [Sword Art Online -Alicization- Vol.2]

[AUTO] At the beginning of your attack phase, choose 1 of your "Dark Territory" characters, and that character gets +X power until end of turn. X is equal to the number of characters with the same card name as that card x500. [ACT] Brainstorm [(1) [REST] 2 of your characters] Flip over 4 cards from the top of your deck, and put them into your waiting room. For each climax revealed among those cards, choose up to 2 "Swarm of Red Copper, Dark Knights" in your waiting room, and return them to your hand.