Automatic Librarian
Dominaria United — Common
Artifact Creature — Construct
Automatic Librarian legal formats:
Standard: Legal
Future: Legal
Historic: Legal
Timeless: Legal
Gladiator: Legal
Pioneer: Legal
Explorer: Legal
Modern: Legal
Legacy: Legal
Pauper: Legal
Vintage: Legal
Penny: Legal
Commander: Legal
Oathbreaker: Legal
Standardbrawl: Legal
Brawl: Legal
Alchemy: Not legal
Pauper Commander: Legal
Duel: Legal
Old School: Not legal
Premodern: Not legal
PreDH: Not legal