Noble Knight Medraut

This card is treated as a Normal Monster while face-up on the field. While equipped with a "Noble Arms" Equip Spell, this card becomes an Effect Monster with this effect.
● This card becomes DARK and its Level is increased by 1. Once per turn, if you control no other monsters: You can Special Summon 1 "Noble Knight" monster from your Deck in Defense Position, except "Noble Knight Medraut", and if you do, destroy 1 Equip Spell you control.