Rainbow Dark Dragon [PTDN-EN003] Secret Rare Labyrinth of Nightmare that monster you control gains

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

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

return it to the hand

increase the ATK of the attacking monster by 1000 points during damage calculation only

Set: World Championship 2011 Card Pack Card type: Normal Monster Rarity: Super Rare Attack: 1800 Defense: 800

Rainbow Dark Dragon [PTDN-EN003] Secret Rare Labyrinth of Nightmare that monster you control gainsSet: 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.