Rainbow Dragon (TAEV-EN006) - Tactical Evolution 1st Edition Number_TAEV-EN088 you can discard 1 card

you can discard 1 card to negate the activation of a Spell Card and destroy it

if you control a face-up "Gladiator Beast" monster: Negate the activation and destroy it

Special Summon 1 “Harpie” monster from your Deck in face-up Defense Position

Card TextWhen an Effect Monster's effect is activated

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Rainbow Dragon (TAEV-EN006) - Tactical Evolution 1st Edition Number_TAEV-EN088 you can discard 1 cardTypeDragon Effect Monster AttributeLight Level Rank10 ATK DEF4000 Card Text"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 face up Crystal Beast