Game Master, Kayaba [Sword Art Online Animation 10th Anniversary]

[AUTO] When this card is placed on the stage from your hand, this card gets +X power until end of turn. X is equal to the number of characters your opponent has ×1000. [AUTO] When this card is placed on the stage from your hand, choose 1 of your opponent's characters, and that character gets the following ability until end of turn. "[CONT] This card cannot be returned to hand or put into memory."