Four-Arm Warrior, Cocytus [Nazarick: Tomb of the Undead Vol.2]

[CONT] If all of your characters are "Grotesque Race" or "Nazarick", this card gets +1000 power. [CONT] During your opponent's turn, if you have another "Grotesque Race" or "Nazarick" character, this card gets +1500 power. [AUTO] At the beginning of your opponent's attack phase, you may move this card to an open position of your center stage with a character facing this card.