public static String gainLifeStackDescription(AbilityFactory af, SpellAbility sa) {
        HashMap<String, String> params = af.getMapParams();
        StringBuilder sb = new StringBuilder();
        int amount = AbilityFactory.calculateAmount(af.getHostCard(), params.get("LifeAmount"), sa);

        if (!(sa instanceof Ability_Sub))
            sb.append(sa.getSourceCard().getName()).append(" - ");
        else
            sb.append(" ");

        String conditionDesc = params.get("ConditionDescription");
        if (conditionDesc != null)
            sb.append(conditionDesc).append(" ");

        ArrayList<Player> tgtPlayers;

        Target tgt = af.getAbTgt();
        if (tgt != null)
            tgtPlayers = tgt.getTargetPlayers();
        else
            tgtPlayers = AbilityFactory.getDefinedPlayers(sa.getSourceCard(), params.get("Defined"), sa);

        for (Player player : tgtPlayers)
            sb.append(player).append(" ");

        sb.append("gains ").append(amount).append(" life.");

        Ability_Sub abSub = sa.getSubAbility();
        if (abSub != null) {
            sb.append(abSub.getStackDescription());
        }

        return sb.toString();
    }