[
  {
    "cardId": "BP-045",
    "revision": "v01",
    "tier": "common"
  },
  {
    "cardId": "BE-042",
    "revision": "v01",
    "tier": "uncommon"
  },
  {
    "cardId": "BE-010",
    "revision": "v01",
    "tier": "rare"
  },
  {
    "cardId": "BE-002",
    "revision": "v01",
    "tier": "extraordinary"
  }
]