Shockwave

{
  "data": {
    "id": "crd_01m66wbmr7s4r2642bpnm53f1f",
    "number": "ST06-014",
    "category": "event",
    "colors": ["black"],
    "cost": 2,
    "life": null,
    "power": null,
    "counter": null,
    "attributes": [],
    "block_icon": "1",
    "localizations": {
      "en": {
        "name": "Shockwave",
        "types": ["Navy"],
        "effect": "[Counter] Up to 1 of your Leader or Character cards gains +4000 power during this battle. Then, K.O. up to 1 of your opponent's active Characters with a cost of 3 or less.",
        "trigger": "[Trigger] K.O. up to 1 of your opponent's Characters with a cost of 4 or less."
      }
    }
  }
}