Wind-Up Shark [RA04-EN180] Quarter Century Secret Rare

When a "Wind-Up" monster is Normal or Special Summoned to your side of the field: You can Special Summon this card from your hand. Once per turn: You can activate 1 of these effects.• Increase this card's Level by 1, until the End Phase.• Reduce this card's Level by 1, until the End Phase.