Magus of the Candelabra [Battlebond] Legendary Artifact but it cannot be used

but it cannot be used as Link Material

Set: Commander 2015 Type: Enchantment Rarity: Rare Cost: {4}{U}{U}{U} When Day of the Dragons enters the battlefield

Inflict damage to your opponent equal to the original ATK of the destroyed monster

Set: Wizards of the Coast: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

Magus of the Candelabra [Battlebond] Legendary Artifact but it cannot be usedSet: Battlebond Type: Creature Human Wizard Rarity: Rare Cost: {G} {X}, {T}: Untap X target lands. "What would Urza think, I wonder, if he could hear how the nature mages still snarl at his name, but venerate the work of his apprentice?" Teferi, to Jhoira