Dark Contract with the Zero King

(This card is always treated as a "D/D" card.) You can target 1 "D/D" card you control, except "Dark Contract with the Zero King"; destroy it, and if you do, Special Summon 1 "D/D" monster from your Deck, also you cannot Special Summon for the rest of this turn, except "D/D" monsters. You can only use this effect of "Dark Contract with the Zero King" once per turn. Once per turn, during your Standby Phase: Take 1000 damage.