--伝説の預言者マーリン
--Merlin
local s,id=GetID()
function s.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.spcost)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--synchro summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetHintTiming(0,TIMING_END_PHASE|TIMINGS_CHECK_MONSTER)
	e2:SetCountLimit(1,{id,1})
	e2:SetCost(Cost.SelfBanish)
	e2:SetTarget(s.sctg)
	e2:SetOperation(s.scop)
	c:RegisterEffect(e2)
	--xyz summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetCode(EVENT_FREE_CHAIN)
	e3:SetRange(LOCATION_GRAVE)
	e3:SetHintTiming(0,TIMING_END_PHASE|TIMINGS_CHECK_MONSTER)
	e3:SetCountLimit(1,{id,2})
	e3:SetCost(Cost.SelfBanish)
	e3:SetTarget(s.xyztg)
	e3:SetOperation(s.xyzop)
	c:RegisterEffect(e3)
	Duel.AddCustomActivityCounter(id,ACTIVITY_SPSUMMON,s.counterfilter)
end
s.listed_series={SET_NOBLE_KNIGHT}
function s.counterfilter(c)
	return c:IsSetCard(SET_NOBLE_KNIGHT)
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsReleasable()
		and Duel.GetCustomActivityCount(id,tp,ACTIVITY_SPSUMMON)==0 end
	Duel.Release(e:GetHandler(),REASON_COST)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_OATH)
	e1:SetTargetRange(1,0)
	e1:SetTarget(s.splimit)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
	aux.RegisterClientHint(e:GetHandler(),nil,tp,1,0,aux.Stringid(id,2),nil)
end 
function s.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return not c:IsSetCard(SET_NOBLE_KNIGHT)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_NOBLE_KNIGHT) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if e:GetHandler():GetSequence()<5 then ft=ft+1 end
	if chk==0 then return ft>0 and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end 
function s.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,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.scfilter(c)
	return c:IsSetCard(SET_NOBLE_KNIGHT) and c:IsSynchroSummonable(nil)
end
function s.sctg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.scfilter,tp,LOCATION_EXTRA,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.scop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.scfilter,tp,LOCATION_EXTRA,0,nil)
	if #g>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local sg=g:Select(tp,1,1,nil)
		Duel.SynchroSummon(tp,sg:GetFirst(),nil)
	end
end
function s.xyzfilter(c)
	return c:IsSetCard(SET_NOBLE_KNIGHT) and c:IsXyzSummonable()
end
function s.xyztg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.xyzfilter,tp,LOCATION_EXTRA,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.xyzop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.xyzfilter,tp,LOCATION_EXTRA,0,nil)
	if #g>0 then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local tg=g:Select(tp,1,1,nil)
		Duel.XyzSummon(tp,tg:GetFirst())
	end
end