Hieratic Dragon of Nuit (GAOV-EN018) - Galactic Overlord Unlimited

Once per turn, during either playeR's turn, when this face-up card on the field is targeted by a Spell Card, Trap Card, or card effect: Special Summon 1 Dragon-Type Normal Monster from your hand, Deck, or Graveyard, and make its ATK and DEF 0.