Here is a mana rune for TFS 1.X, not tested though should would.
Spells/scripts/manarune.lua:
local combat = Combat()
combat:setParameter(COMBAT_PARAM_TYPE, COMBAT_HEALING)
combat:setParameter(COMBAT_PARAM_EFFECT, CONST_ME_MAGIC_BLUE)
combat:setParameter(COMBAT_PARAM_AGGRESSIVE, 0)...