--ドラゴンメイド・シュテルン
local s,id,o=GetID()
function s.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost1)
	e1:SetTarget(s.sptg1)
	e1:SetOperation(s.spop1)
	c:RegisterEffect(e1)
	--indestructable
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetTarget(s.indtg)
	e2:SetValue(aux.indoval)
	c:RegisterEffect(e2)
	--special summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_TOHAND+CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_PHASE+PHASE_BATTLE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id+o)
	e3:SetTarget(s.sptg2)
	e3:SetOperation(s.spop2)
	c:RegisterEffect(e3)
end
function s.spcost1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsDiscardable() end
	Duel.SendtoGrave(e:GetHandler(),REASON_COST+REASON_DISCARD)
end
function s.spfilter(c,e,tp)
	return c:IsFaceupEx() and not c:IsCode(id) and c:IsSetCard(0x133) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_GRAVE+LOCATION_REMOVED,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE+LOCATION_REMOVED)
end
function s.spop1(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_GRAVE+LOCATION_REMOVED,0,1,1,e:GetHandler(),e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.indtg(e,c)
	return c:IsRace(RACE_DRAGON) and c:IsType(TYPE_FUSION)
end
function s.spfilter2(c,e,tp)
	return c:IsSetCard(0x133) and c:IsLevelBelow(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg2(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsAbleToHand() and Duel.GetMZoneCount(tp,c)>0
		and Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,c,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
end
function s.spop2(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SendtoHand(c,nil,REASON_EFFECT)~=0
		and c:IsLocation(LOCATION_HAND) and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,s.spfilter2,tp,LOCATION_HAND,0,1,1,nil,e,tp)
		if g:GetCount()>0 then
			Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end