When an opponent's monster declares an attack: Send 1 "Crystal Beast" card from your Spell & Trap Card Zone to the Graveyard to target the attacking monster; negate the attack, then you can add 1 "Rainbow Dragon" or "Rainbow Dark Dragon" from your Deck to your hand.
Near Mint / Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $1.00
Heavily Played Unlimited - $1.00
Damaged Unlimited - $1.00
Near Mint / Lightly Played 1st Edition - $1.00
Moderately Played 1st Edition - $1.00
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50