@scryfall/api-types/src/objects/Card/values/Legality.ts

Type definitions for the Scryfall API

export enum ScryfallLegality {
  Legal = "legal",
  NotLegal = "not_legal",
  Restricted = "restricted",
  Banned = "banned",
}

export type ScryfallLegalityLike = ScryfallLegality | `${ScryfallLegality}`;