--混沌帝龍 －終焉の使者－
--Chaos Emperor Dragon - Envoy of the End
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--Special summon limitation
	local e1=Effect.CreateEffect(c)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SPSUMMON_CONDITION)
	c:RegisterEffect(e1)
	--Special summon procedure
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_SPSUMMON_PROC)
	e2:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e2:SetRange(LOCATION_HAND)
	e2:SetCondition(s.spcon1)
	e2:SetTarget(s.sptg1)
	e2:SetOperation(s.spop1)
	c:RegisterEffect(e2)
	--Send cards to the graveyard
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_TOGRAVE+CATEGORY_DAMAGE)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1)
	e3:SetCost(s.sgcost)
	e3:SetTarget(s.sgtg)
	e3:SetOperation(s.sgop)
	c:RegisterEffect(e3)
	Duel.AddCustomActivityCounter(id,ACTIVITY_CHAIN,aux.FALSE)
end
function s.rescon(sg,e,tp,mg)
	return aux.ChkfMMZ(1)(sg,e,tp,mg) and sg:IsExists(s.atchk1,1,nil,sg)
end
function s.atchk1(c,sg)
	return c:IsAttribute(ATTRIBUTE_LIGHT) and sg:FilterCount(Card.IsAttribute,c,ATTRIBUTE_DARK)==1
end
function s.spfilter1(c,att)
	return c:IsAttribute(att) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.spcon1(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	local rg1=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_LIGHT)
	local rg2=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_DARK)
	local rg=rg1:Clone()
	rg:Merge(rg2)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	return ft>-2 and #rg1>0 and #rg2>0 and aux.SelectUnselectGroup(rg,e,tp,2,2,s.rescon,0)
end
function s.sptg1(e,tp,eg,ep,ev,re,r,rp,c)
	local c=e:GetHandler()
	local g=nil
	local rg=Duel.GetMatchingGroup(s.spfilter1,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil,ATTRIBUTE_LIGHT+ATTRIBUTE_DARK)
	local g=aux.SelectUnselectGroup(rg,e,tp,2,2,s.rescon,1,tp,HINTMSG_REMOVE,nil,nil,true)
	if #g>0 then
		g:KeepAlive()
		e:SetLabelObject(g)
		return true
	end
	return false
end
function s.spop1(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	g:DeleteGroup()
end
function s.sgcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckLPCost(tp,1000) and Duel.GetCustomActivityCount(id,tp,ACTIVITY_CHAIN)==0 end
	Duel.PayLPCost(tp,1000)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_OATH)
	e1:SetCode(EFFECT_CANNOT_ACTIVATE)
	e1:SetTargetRange(1,0)
	e1:SetValue(aux.TRUE)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	local e2=Effect.CreateEffect(e:GetHandler())
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_CLIENT_HINT+EFFECT_FLAG_OATH)
	e2:SetDescription(aux.Stringid(id,2))
	e2:SetReset(RESET_PHASE|PHASE_END)
	e2:SetTargetRange(1,0)
	Duel.RegisterEffect(e2,tp)
end
function s.damfilter(c,p)
	return c:GetOwner()==p and c:IsAbleToGrave()
end
function s.sgtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local g=Duel.GetFieldGroup(tp,LOCATION_HAND|LOCATION_ONFIELD,LOCATION_HAND|LOCATION_ONFIELD)
	local dc=g:FilterCount(s.damfilter,nil,1-tp)
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,g,#g,0,0)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,0,0,1-tp,dc*300)
end
function s.sgfilter(c,p)
	return c:IsLocation(LOCATION_GRAVE) and c:IsControler(p)
end
function s.sgop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetFieldGroup(tp,LOCATION_HAND|LOCATION_ONFIELD,LOCATION_HAND|LOCATION_ONFIELD)
	Duel.SendtoGrave(g,REASON_EFFECT)
	local og=Duel.GetOperatedGroup()
	local ct=og:FilterCount(s.sgfilter,nil,1-tp)
	if ct>0 then
		Duel.BreakEffect()
		Duel.Damage(1-tp,ct*300,REASON_EFFECT)
	end
end