--エーテル・ファインダー
--Ether Finder
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Increase ATK by 300 and Special Summon "Ether Seeker"
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.costfilter(c)
	return c:IsSpellTrap() and c:IsAbleToGraveAsCost()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.costfilter,tp,LOCATION_HAND,0,1,nil) end
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(aux.FilterMaximumSideFunctionEx(Card.IsFaceup),tp,LOCATION_MZONE,0,1,nil) end
end
function s.spfilter(c,e,tp)
	return c:IsCode(160204043) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	--Requirement
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.costfilter,tp,LOCATION_HAND,0,1,1,nil)
	if Duel.SendtoGrave(g,REASON_COST)<1 then return end
	--Effect
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATKDEF)
	local tc=Duel.SelectMatchingCard(tp,aux.FilterMaximumSideFunctionEx(Card.IsFaceup),tp,LOCATION_MZONE,0,1,1,nil):GetFirst()
	if not tc then return end
	Duel.HintSelection(tc)
	--Increase ATK
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetReset(RESETS_STANDARD_PHASE_END)
	e1:SetValue(300)
	tc:RegisterEffect(e1)
	if Duel.IsExistingMatchingCard(Card.IsCode,tp,LOCATION_GRAVE,0,1,nil,CARD_FUSION)
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.SelectYesNo(tp,aux.Stringid(id,0)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local sg=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
		if #sg>0 then
			Duel.BreakEffect()
			Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end