private static void upkeep_AI_Aluren() {
        CardList alurens = AllZoneUtil.getCardsInPlay("Aluren");
        if (alurens.size() == 0)
            return;

        CardList inHand = AllZoneUtil.getPlayerHand(AllZone.getComputerPlayer());
        inHand = inHand.getType("Creature");
        CardList playable = new CardList();

        for (Card c : inHand)
            if (CardUtil.getConvertedManaCost(c.getManaCost()) <= 3)
                playable.add(c);

        for (Card c : playable)
            AllZone.getGameAction().playSpellAbilityForFree(c.getSpellPermanent());
    }