Unwavering shadow lord, Mukuro (RRR)1
[Omni Lord] [Call Cost] [Pay 1 gauge] At the beginning of each player's attack phase, call up to one [Omni Lord] or 《Darkhero》 monster from your hand by paying its [Call Cost]. That card becomes a size 0 until it leaves the field.
[Double Attack] [Transform] [Pay 1 gauge]
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