Deskbot 007

[ Pendulum Effect ] You cannot Pendulum Summon monsters, except "Deskbot" monsters. This effect cannot be negated. [ Monster Effect ] This card gains 500 ATK for each "Deskbot" card in your Graveyard. Monsters your opponent controls cannot target face-up "Deskbot" monsters for attacks, except this one. If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.