[
  {
    "id": "FIREBALL",
    "name": "火球术",
    "type": "damage",
    "mana_cost": 10,
    "power": 25,
    "scaling": "mana"
  },
  {
    "id": "HEAL",
    "name": "初级治疗",
    "type": "heal",
    "mana_cost": 8,
    "power": 15,
    "scaling": "mana"
  }
]