You may have this creature enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to this creature's power and toughness

Protection & Recursion [one_third responsive="stack"] [/one_third] [one_third responsive="stack"] [/one_third] [one_third_last responsive="stack"] [/one_third_last] [one_third responsive="stack"] Padeem, Consul of Innovation [/one_third] [one_third responsive="stack"] Darksteel Forge [/one_third] [one_third_last responsive="stack"] Rhystic Study [/one_third_last] [one_third responsive="stack"] [/one_third] [one_third responsive="stack"] [/one_third] [one_third_last responsive="stack"] [/one_third_last] [one_third responsive="stack"] Lightning Greaves [/one_third] [one_third responsive="stack"] Slobad, Goblin Tinkerer [/one_third] [one_third_last responsive="stack"] Goblin Welder [/one_third_last] Our best cards are going to provide us an edge, no matter our current board state
Sometimes, they will even ignore a Set "Supervise" that could be used on said monster
Fortunately, Libromancers benefit from the already incredible ritual support in the game like "Preparation of Rites," and the ceiling for the deck is very high if given the right support
Its from Alpha/Beta/Unlimited, on the Reserved List, restricted in Vintage, and banned everywhere else