The World's Equilibrium Cannot Be Maintained Forever

{
  "data": {
    "id": "crd_01m66tqrx9cdats3vgdta5w6jy",
    "number": "OP13-097",
    "category": "event",
    "colors": ["black"],
    "cost": 1,
    "life": null,
    "power": null,
    "counter": null,
    "attributes": [],
    "block_icon": "4",
    "localizations": {
      "en": {
        "name": "The World's Equilibrium Cannot Be Maintained Forever",
        "types": ["Celestial Dragons", "Five Elders"],
        "effect": "[Main] You may rest 5 of your DON!! cards: If the only Characters on your field are {Celestial Dragons} type Characters, K.O. up to 1 of your opponent's Characters with a base cost of 6 or less.\n[Counter] Your Leader gains +3000 power during this battle.",
        "trigger": null
      }
    }
  }
}