Requires:

{
  "or": [
    {
      "enemyDamage": {
        "enemy": "Covern",
        "type": "contact",
        "hits": 1
      }
    },
    {
      "and": [
        {
          "enemyDamage": {
            "enemy": "Atomic",
            "type": "contact",
            "hits": 1
          }
        },
        "f_DefeatedPhantoon"
      ]
    }
  ]
}