Saber Shark (LED9-EN050) - Legendary Duelists: Duels From the Deep 1st Edition

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.