Sanctuary of Light, Brightness Dragon

(This ability is active if you have four or more damage):［ 2 & 2] Choose up to three of your Royal Paladin rear-guards, and those units get +5000 until end of turn. This ability cannot be used for the rest of that turn. : 1 Choose one of your locked cards, and unlock it. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack)