The commander tax is an additional cost of casting the commander the evoke cost is an alternate cost . Alternate costs are still affected by additional costs . For example , if you want to overload Cyclonic Rift or flashback Faithless Looting and there ' s a Thalia , Guardian of Thraben out , you need to pay the additional 1 mana . In that same respect , since Evoke is an alternate cost , it is affected by the commander tax . It ' s worth noting here that Derevi ' s activated ability isn ' t affected by the commander tax because it ' s not an alternate cost and does not count as casting the commander . <| sep |> Mostraram os parmetros da pesquisa . Se contar a chantagem financeira como uma forma de violncia , os nmeros so comuns .