Saber Shark – (Legendary Duelists Duels From the Deep) – (LED9-EN050) – (Common)

Cannot be used as a Synchro Material. Up to twice per turn: You can target 1 Fish-Type monster on the field, then activate 1 of these effects.
● Increase its Level by 1.
● Reduce its Level by 1.
You cannot Special Summon any monsters during the turn you activate this effect, except WATER monsters.