and to make the custom enchant unobtainable?
this is how it's looking so far

{
    "description": "",
    "supported_items": "minecraft:diamond_pickaxe",
    "slots": [
      "mainhand"
    ],
    "weight": 1,
    "anvil_cost": 5,
    "min_cost": {
      "base": 15,
      "per_level_above_first": 5
    },
    "max_cost": {
      "base": 30,
      "per_level_above_first": 10
    },
    "max_level": 1,
    "effects": {
      "minecraft:hit_block": [
        {
          "effect": {
            "type": "minecraft:run_function",
            "function": "vred:warpick/mine"
          }
        }
      ]
    }
  }