Symphonic Warrior Basses (STOR-EN033) [Storm of Ragnarok]

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