Symphonic Warrior Basses (STOR-EN033) - Storm of Ragnarok Unlimited

Once per turn, you can select 1 face-up "Symphonic Warrior" monster on the field. Increase its Level by the number of cards in your hand, until the End Phase. You can remove from play this card from your Graveyard to increase the Level of 1 face-up "Symphonic Warrior" monster you control by the number of cards in your hand, until the End Phase.