When an opponent's monster declares an attack: Send 1 "Crystal Beast" card from your Spell & Trap Card Zone to the GY 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.
NM-Mint 1st Edition - $0.20
NM-Mint 1st Edition Non English - $0.20
Lightly Played 1st Edition - $0.20
Lightly Played 1st Edition Non English - $0.20
Moderately Played 1st Edition - $0.20
Moderately Played 1st Edition Non English - $0.20
Heavily Played 1st Edition - $0.20
Heavily Played 1st Edition Non English - $0.20
Damaged 1st Edition - $0.20
Damaged 1st Edition Non English - $0.20