Rainbow Dragon [TAEV-EN006] Secret Rare Neo Revelation Unlimited if you have no cards

if you have no cards in your hand

Set: Scarlet & Violet: Obsidian Flames Type: Psychic Rarity: Illustration Rare

Set: Versus Royal Knights Promos Card type: Option Rarity: Promo Digi type: Royal Knight Play Cost: 6 [Main] [Draw 1]

casting a shadow of darkness and sending us fleeing in terror

Set: Sun & Moon: Cosmic Eclipse Type: Stadium Rarity: Secret Rare

Rainbow Dragon [TAEV-EN006] Secret Rare Neo Revelation Unlimited if you have no cardsSet: Tactical Evolution 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 from your hand while you have 7 "Crystal Beast" cards with different names on the field or in your Graveyard. This card cannot activate its effects the turn it Special Summoned. Send all "Crystal Beast" monsters you control to the Graveyard; This cards gains 1000ATK for