local cm,m=GetID()
cm.name="火星幕帘"
function cm.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetCondition(cm.condition)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
end
--Activate
function cm.confilter(c)
	return c:IsRace(RACE_SPELLCASTER)
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetAttacker():IsControler(1-tp)
		and Duel.IsExistingMatchingCard(cm.confilter,tp,LOCATION_GRAVE,0,1,nil)
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttacker()
	if tc and tc:IsFaceup() and tc:IsRelateToBattle() then
		RD.AttachAtkDef(e,tc,-500,0,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
	end
end