If this card is used for the Xyz Summon of a "Number" monster, it can be treated as a Level 3 or 4 monster. If this card is in your hand or GY: You can target 1 WATER monster on the field; Special Summon this card (but banish this card when it leaves the field), and if you do, halve that monster's ATK, also, you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Xyz Monsters. You can only use this effect of "Crystal Shark" once per turn.
NM-Mint 1st Edition - $1.40
Lightly Played 1st Edition - $1.30
Moderately Played 1st Edition - $1.20
Heavily Played 1st Edition - $1.10
Damaged 1st Edition - $0.90
NM-Mint 1st Edition Non English - $1.40
Lightly Played 1st Edition Non English - $1.30
Moderately Played 1st Edition Non English - $1.20
Heavily Played 1st Edition Non English - $1.10
Damaged 1st Edition Non English - $0.90