--幻星－红宝石
function c50000151.initial_effect(c)
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetDescription(aux.Stringid(50000151,1))
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetCountLimit(1,50000151)
	e1:SetCost(c50000151.cost)
	e1:SetTarget(c50000151.target)
	e1:SetOperation(c50000151.operation)
	c:RegisterEffect(e1)
	local e2=Effect.Clone(e1)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e2)
	--Special Summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(50000151,0))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_DESTROYED)
	e3:SetCountLimit(1,500001511)
	e3:SetCondition(c50000151.spcon)
	e3:SetTarget(c50000151.sptg)
	e3:SetOperation(c50000151.spop)
	c:RegisterEffect(e3)
end
c50000151.is_named_with_Kensei=1
function c50000151.IsKensei(c)
	local code=c:GetCode()
	local mt=_G["c"..code]
	if not mt then
		_G["c"..code]={}
		if pcall(function() dofile("expansions/script/c"..code..".lua") end) or pcall(function() dofile("script/c"..code..".lua") end) then
			mt=_G["c"..code]
			_G["c"..code]=nil
		else
			_G["c"..code]=nil
			return false
		end
	end
	return mt and mt.is_named_with_Kensei
end
function c50000151.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST+REASON_DISCARD)
end
function c50000151.filter(c,e,tp)
	return c50000151.IsKensei(c) and not c:IsCode(50000151) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c50000151.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(c50000151.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function c50000151.operation(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,c50000151.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
end

function c50000151.spcon(e,tp,eg,ep,ev,re,r,rp)
	return bit.band(r,REASON_EFFECT+REASON_BATTLE)~=0 and e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function c50000151.spfilter(c,e,tp)
	return c:IsRace(RACE_WYRM) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c50000151.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(c50000151.spfilter,tp,LOCATION_HAND+LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND+LOCATION_GRAVE)
end
function c50000151.spop(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(c50000151.spfilter),tp,LOCATION_HAND+LOCATION_GRAVE,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end


