def METHOD_NAME() -> None:
    assert mana.cmc('{HW}') == 0.5
    assert mana.cmc('{HG}') == 0.5
    assert mana.cmc('{1}{U}{B}') == 3
    assert mana.cmc('{X}{R}') == 1
    assert mana.cmc('{2}{G}{G/U/P}{U}') == 5
    assert mana.cmc('{W/B/P}') == 1