Banding Jewel Knight, Miranda

:When this unit attacks while not boosted, if you have a vanguard with "Jewel Knight" in its card name, 1, choose one of your vanguards, and until end of that battle, increase or decrease this unit's to match that unit's . :/:When your other unit is placed on this unit's circle, 1, and if you have no face up cards in your damage zone, 1.