Its rules text says it cannot attack or block unless at least two other creatures are attacking or blocking
Blade of Selves Blue Sun's Twilight Brenard, Ginger Sculptor Clone Legion Coiling Rebirth Corporeal Projection Cybermen Squadron Duke Ulder Ravengard Echo Chamber Echoing Assault Faerie Artisans Firbolg Flutist Flameshadow Conjuring Genestealer Patriarch Hate Mirage Hofri Ghostforge Kharasha Foothills Kindred Charge Kinzu of the Bleak Coven Legion Loyalty Minion Reflector Mirror March Mirror Match Mirror Mockery Molten Echoes Multiversal Incursion Necroduality Nemesis Trap Nightmare Shepherd Preston, the Vanisher Ratadrabik of Urborg Rhys the Redeemed Rhys the Redeemed Riku of Two Reflections Shelob, Child of Ungoliant Springheart Nantuko Supplant Form Tempt with Reflections Theoretical Duplication Twinflame
The Sorcerers items like the Hat and Spellbook seem like important pieces of Lore
They fit perfectly in sleeves, deck boxes, and binders
It may be Blue and White with color identity, given its Blue mana kicker, but it's not a multicolor card
Cryptolith Rite gives all your critters the same power as Birds of Paradise, tapping to produce mana of any color you want