docs: function getAttackResults(_cards) {
    // Force the cards into an array. Clone is too
    // to avoid side effects from the simulation.
    const cards = Util.clone(Array.isArray(_cards) ? _cards : [_cards])
    const Junkyard = require('./junkyard')
    const game = new Junkyard('1', '')
    game.addPlayer('2', '')
    game.addPlayer('3', '')
    game.start()
    const [p1, , p3] = game.players
    p1.hand = cards
    game.play(p1, [...cards], p3.id)
    game.pass(p3)
    return {
      damage: p3.maxHp - p3.hp,
      missTurns: p3.missTurns
    }
  }