Rainbow Dragon [CT04-EN005] Secret Rare Circuit Break You can only use this

You can only use this effect of "Isolde

but it cannot be targeted or destroyed by other card effects

Your opponent cannot activate cards or effects in response to this effect's activation

each player chooses 1 Normal Spell from their Deck

Set: Structure Deck: Warriors' Strike Card type: Normal Spell Rarity: Common Send 1 card from the top of your Deck to the Graveyard

Rainbow Dragon [CT04-EN005] Secret Rare Circuit Break You can only use thisSet: 2007 Collectors Tin 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 when there are at least 7 different Crystal Beast cards on your side of the field and or in your Graveyard. You may activate either 1 or both of the following effects (the following effects cannot be activated during the turn this card was Special Summoned): Send all