Yasakani Sacred Jewel

{
  "data": {
    "id": "crd_01m66p61m8r93se6w8tjmxwpvz",
    "number": "OP02-118",
    "category": "event",
    "colors": ["black"],
    "cost": 1,
    "life": null,
    "power": null,
    "counter": null,
    "attributes": [],
    "block_icon": "1",
    "localizations": {
      "en": {
        "name": "Yasakani Sacred Jewel",
        "types": ["Navy"],
        "effect": "[Counter] You may trash 1 card from your hand: Select up to 1 of your Characters. The selected Character cannot be K.O.'d during this battle.",
        "trigger": "[Trigger] K.O. up to 1 of your opponent's Stages with a cost of 3 or less."
      }
    }
  }
}