Unwavering Shadow Lord, Mukuro

■ 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]