--デーモンとの駆け引き (GOAT)
--A Deal with Dark Ruler (GOAT)
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	aux.GlobalCheck(s,function()
		s[0]=false
		s[1]=false
		local ge1=Effect.CreateEffect(c)
		ge1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		ge1:SetCode(EVENT_TO_GRAVE)
		ge1:SetOperation(s.checkop)
		Duel.RegisterEffect(ge1,0)
		aux.AddValuesReset(function()
			s[0]=false
			s[1]=false
		end)
	end)
end
s.listed_names={85605684}
function s.checkop(e,tp,eg,ep,ev,re,r,rp)
	local tc=eg:GetFirst()
	for tc in aux.Next(eg) do
		if tc:IsLevelAbove(8) and tc:IsPreviousLocation(LOCATION_MZONE) then
			s[tc:GetPreviousControler()]=true
		end
	end
end
function s.filter(c,e,tp)
	return c:IsCode(85605684) and c:IsCanBeSpecialSummoned(e,0,tp,true,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return s[tp] and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK+LOCATION_HAND)
end
function s.activate(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,s.filter,tp,LOCATION_DECK+LOCATION_HAND,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,true,false,POS_FACEUP)
	else
		Duel.GoatConfirm(tp,LOCATION_HAND+LOCATION_DECK)
	end
end
