Reduce Damage taken from all Magic attack ( Lord of Vermilion , Storm Gust, Fire bolt etc) by 50% or 70% (Not make them miss when receiving magic attacks). Nullify all status ailment ( Coma, Freeze, Curse, Stun, Stone Curse etc) including supportive spells.
The current effect of GTB card makes the High Wiz and Prof class useless on WOE or PvP.