--レジェンド・リネージ・セイバー
--Legend Lineage Saber
--scripted by YoshiDuels
local s,id=GetID()
function s.initial_effect(c)
	--Ritual
	c:EnableReviveLimit()
	--Treated as a Legend Card in the GY
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_SINGLE)
	e0:SetCode(EFFECT_IS_LEGEND)
	e0:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e0:SetRange(LOCATION_GRAVE)
	c:RegisterEffect(e0)
	--Gain ATK
	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:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_names={10080320,23424603}
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDiscardDeckAsCost(tp,1) end
end
function s.filter(c)
	return c:IsLevel(7) and c:IsDefense(300)
end
function s.spfilter(c,e,tp)
	return s.filter(c) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	--Requirement
	if Duel.DiscardDeck(tp,1,REASON_COST)<1 then return end
	--atk change
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(500)
	e1:SetReset(RESETS_STANDARD_PHASE_END)
	c:RegisterEffect(e1)
	if Duel.GetMatchingGroupCount(s.filter,tp,LOCATION_GRAVE,0,nil)>=3
		and Duel.IsExistingMatchingCard(aux.NecroValleyFilter(s.spfilter),tp,LOCATION_GRAVE,0,1,nil,e,tp)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.SelectYesNo(tp,aux.Stringid(id,1)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
		if #g>0 then
			Duel.BreakEffect()
			Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end