Rainbow Dark Dragon [PTDN-EN003] Secret Rare Labyrinth of Nightmare Special Summon 1 "Mystic Swordsman

Special Summon 1 "Mystic Swordsman LV4" from your hand or Deck

that monster you control gains 2000 ATK and DEF during that damage calculation only

return it to the hand

Negate any card effect that would move a card in the Graveyard

If you Tribute Summon this card

Rainbow Dark Dragon [PTDN-EN003] Secret Rare Labyrinth of Nightmare Special Summon 1 "Mystic SwordsmanSet: Phantom Darkness Card type: Effect Monster Rarity: Secret Rare Attack: 4000 Defense: 0 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play 7 DARK monsters with different names from your Graveyard. You can remove from play all other DARK monsters you control and from your Graveyard to have this card gain 500 ATK for each card removed.