Black-White Shadow Lord, Mukuro (BR - Purple)

[Omni Lord] [Cast Cost] [Pay 1 gauge] At the end of the battle of this card, if you have no monsters on your field, choose a size 2 or less《Darkhero》 monster in your drop zone, and you may pay 1 gauge. If you do, call the chosen card by paying its [Call Cost]. This ability only activates once per turn. [Penetrate] [Transform] [Pay 1 gauge & Pay 1 life]