Rainbow Dark Dragon [PTDN-EN003] Secret Rare Water Set: R Manga Promo Card

Set: R Manga Promo Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 1500 When this card is Tribute Summoned

Set: Battle Pack 3: Monster League Card type: Effect Monster Rarity: Shatterfoil Rare Attack: 1500 Defense: 1000 If this card is destroyed by battle and sent to the Graveyard: Target 1 Plant-Type monster in your Graveyard

If this card is sent from the hand or field to the GY: You can add 1 Spell/Trap from your Deck to your hand that specifically lists the card "The Winged Dragon of Ra" in its text

or MonsterCard

you can apply this effect

Rainbow Dark Dragon [PTDN-EN003] Secret Rare Water Set: R Manga Promo CardSet: 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.