Activate only by sending 1 "Crystal Beast" card from your Spell & Trap Card Zone to the Graveyard when an opponent's monster declares an attack. Negate the attack, then you can add 1 "Rainbow Dragon" or "Rainbow Dark Dragon" from your Deck to your hand.
![Rainbow Path (PTDN-EN063) [Phantom Darkness]](http://fafnirshoard.ca/cdn/shop/files/26664_b1cf73d2-74f0-4eaf-ac8a-02e18ccc2b1b.jpg?v=1782795778&width=1445)