TypeZeroSim.ex

defmodule TypeZeroSim do
  def create_deck(spirit, flame) do    
    deck = List.duplicate(:spirit, spirit) ++ List.duplicate(:flame, flame)
    Enum.shuffle(deck)
  end

  def simulate(deck) do
    hand = Enum.slice(deck, 0, 7)
    library = Enum.slice(deck, 7, Enum.count(deck) - 7)

    IO.inspect(hand)
  end

  def run() do
    create_deck(20, 40) |> simulate
  end
end

TypeZeroSim.run()