2: Wan Shi Tong, Librarian I can see [[Wan Shi Tong, Librarian]] working as a mono-blue commander, but I think it truly shines in the 99
Their channel abilities let you bounce or destroy key permanents at instant speed without ever casting a spell, which dodges Silence, Rule of Law, and counterspells alike
Metallic Mimic : Artifact Creature (Shapeshifter), casting cost of two generic mana, 2/1
Gambles downside can easily be built around with the inclusion of cards with madness or flashback, besides the obvious benefit to recurring creatures with Unearth or Unburial Rites
Origin Forme Dialga VSTAR #GG68 from Sword and Shield set Crown Zenith
Built to display on a shelf or stack clean lines, magnetic seal, no wobble