--ネメシス・キーストーン
--Nemeses Keystone
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	--Special summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TODECK+CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
	--Register when banished
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetCode(EVENT_REMOVE)
	e2:SetOperation(s.regop)
	c:RegisterEffect(e2)
	--Add to hand
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_TOHAND)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_PHASE+PHASE_END)
	e3:SetRange(LOCATION_REMOVED)
	e3:SetCountLimit(1,{id,1})
	e3:SetCondition(s.thcon)
	e3:SetTarget(s.thtg)
	e3:SetOperation(s.thop)
	c:RegisterEffect(e3)
end
s.listed_names={id}
s.listed_series={SET_NEMESES}
function s.tdfilter(c)
	return c:IsMonster() and c:IsFaceup() and c:IsAbleToDeck() and not c:IsCode(id)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_REMOVED) and s.tdfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.tdfilter,tp,LOCATION_REMOVED,0,1,nil)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectTarget(tp,s.tdfilter,tp,LOCATION_REMOVED,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,g,#g,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,LOCATION_HAND)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)~=0 and tc and tc:IsRelateToEffect(e) then
		Duel.SendtoDeck(tc,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	end
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():IsFacedown() then return end
	e:GetHandler():RegisterFlagEffect(id,RESETS_STANDARD_PHASE_END,0,1)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetFlagEffect(id)~=0
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToHand() end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,0,LOCATION_REMOVED)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
	end
end