It Hugs as an off shoot
Ethereal Dragon I do love me some dragons
Take Fighter Class as an example, where the first level is equivalent to Open the Armory and the second level gives you the metalcraft functionality of Puresteel Paladin
3 Dark Confidant Emet-Selch, Unsundered Esper Terra Gogo, Master of Mimicry Golbez, Crystal Collector Hope Estheim Joshua, Phoenix's Dominant Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Mysidian Elder Quistis Trepe Shantotto, Tactician Magician Summon: Esper Ramuh Tellah, Great Sage Terra, Magical Adept The Emperor of Palamecia The Lord Master of Hell Trance Kuja, Fate Defied Venat, Heart of Hydaelyn Vivi Ornitier Xande, Dark Mage
Elenda, the Dusk Rose If you want a generally powerful sacrifice commander in Orzhov, you cant do much better than Elenda, the Dusk Rose