--黒魔術の報復
local s,id=GetID()
function s.initial_effect(c)
	--Activate(summon)
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetAttacker():IsControler(1-tp)
end
function s.filter(c,e,tp,tid)
	return c:IsRace(RACE_SPELLCASTER) and c:IsCanBeSpecialSummoned(e,0,tp,false,false) 
		and c:IsReason(REASON_DESTROY) and c:GetTurnID()==tid-1
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local tid=Duel.GetTurnCount()
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc,e,tp,tid) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp,tid) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp,tid)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	local fid=c:GetFieldID()
	if tc and tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)>0 then
		local a=Duel.GetAttacker()
		if a:IsRelateToBattle() then
			Duel.CalculateDamage(a,tc)
		end
		tc:RegisterFlagEffect(51100922,RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END,0,1,fid)
		--destroy
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e2:SetCode(EVENT_PHASE+PHASE_BATTLE)
		e2:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e2:SetCountLimit(1)
		e2:SetLabel(fid)
		e2:SetLabelObject(tc)
		e2:SetCondition(s.descon)
		e2:SetOperation(s.desop)
		e2:SetReset(RESET_PHASE+PHASE_END)
		Duel.RegisterEffect(e2,tp)
	end
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	return tc:GetFlagEffectLabel(51100922)==e:GetLabel()
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_CARD,0,id)
	local tc=e:GetLabelObject()
	Duel.Destroy(tc,REASON_EFFECT)
end