--極星天ヴァナディース
function c61777313.initial_effect(c)
	--synchro custom
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_SYNCHRO_MATERIAL_CUSTOM)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetTarget(c61777313.syntg)
	e1:SetValue(1)
	e1:SetOperation(c61777313.synop)
	c:RegisterEffect(e1)
	--level change
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(61777313,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetCountLimit(1)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCost(c61777313.cost)
	e2:SetOperation(c61777313.operation)
	c:RegisterEffect(e2)
end
function c61777313.tuner_filter(c)
	return c:IsSetCard(0x42)
end
function c61777313.synfilter(c,syncard,f)
	return c:IsFaceup() and c:IsNotTuner() and c:IsCanBeSynchroMaterial(syncard) and c:IsSetCard(0x42) and (f==nil or f(c))
end
function c61777313.syntg(e,syncard,f,minc,maxc)
	local c=e:GetHandler()
	local lv=syncard:GetLevel()-c:GetLevel()
	if lv<=0 then return false end
	local g=Duel.GetMatchingGroup(c61777313.synfilter,syncard:GetControler(),LOCATION_MZONE,LOCATION_MZONE,c,syncard,f)
	return g:CheckWithSumEqual(Card.GetSynchroLevel,lv,minc,maxc,syncard)
end
function c61777313.synop(e,tp,eg,ep,ev,re,r,rp,syncard,f,minc,maxc)
	local lv=syncard:GetLevel()-e:GetHandler():GetLevel()
	local g=Duel.GetMatchingGroup(c61777313.synfilter,syncard:GetControler(),LOCATION_MZONE,LOCATION_MZONE,c,syncard,f)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SMATERIAL)
	local sg=g:SelectWithSumEqual(tp,Card.GetSynchroLevel,lv,minc,maxc,syncard)
	Duel.SetSynchroMaterial(sg)
end
function c61777313.cfilter(c,lv)
	local clv=c:GetLevel()
	return c:IsSetCard(0x42) and clv>0 and clv~=lv and c:IsAbleToGraveAsCost()
end
function c61777313.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c61777313.cfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,c61777313.cfilter,tp,LOCATION_DECK,0,1,1,nil,e:GetHandler():GetLevel())
	Duel.SendtoGrave(g,REASON_COST)
	e:SetLabel(g:GetFirst():GetLevel())
end
function c61777313.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
		e1:SetValue(e:GetLabel())
		c:RegisterEffect(e1)
	end
end
