Volo's Journal
Token Legendary Artifact
Hexproof Whenever you cast a creature spell, note one of its creature types that hasn't been noted for this artifact.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL