--虫だけエリアー
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--race
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(0,LOCATION_MZONE)
	e2:SetTarget(s.racetg)
	e2:SetCode(EFFECT_CHANGE_RACE)
	e2:SetValue(RACE_INSECT)
	c:RegisterEffect(e2)
	--todeck and draw
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_TODECK+CATEGORY_DRAW)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCountLimit(1,id)
	e3:SetTarget(s.drtg)
	e3:SetOperation(s.drop)
	c:RegisterEffect(e3)
	--place
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e4:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e4:SetCode(EVENT_TO_GRAVE)
	e4:SetCountLimit(1,id+o)
	e4:SetCondition(s.regcon)
	e4:SetOperation(s.regop)
	c:RegisterEffect(e4)
end
function s.racetg(e,c)
	return not c:IsStatus(STATUS_SUMMON_TURN+STATUS_FLIP_SUMMON_TURN+STATUS_SPSUMMON_TURN)
end
function s.tdfilter(c)
	return c:IsFaceupEx() and c:IsRace(RACE_INSECT) and c:IsAbleToDeck()
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_REMOVED) and chkc:IsControler(tp) and s.tdfilter(chkc) end
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1)
		and Duel.IsExistingTarget(s.tdfilter,tp,LOCATION_REMOVED,0,3,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectTarget(tp,s.tdfilter,tp,LOCATION_REMOVED,0,3,3,nil)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,g,g:GetCount(),0,0)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS):Filter(Card.IsRelateToEffect,nil,e)
	if #tg==0 then return end
	Duel.SendtoDeck(tg,nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	local g=Duel.GetOperatedGroup()
	if g:IsExists(Card.IsLocation,1,nil,LOCATION_DECK) then Duel.ShuffleDeck(tp) end
	local ct=g:FilterCount(Card.IsLocation,nil,LOCATION_DECK+LOCATION_EXTRA)
	if ct>0 then
		Duel.BreakEffect()
		Duel.Draw(tp,1,REASON_EFFECT)
	end
end
function s.regcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsPreviousLocation(LOCATION_HAND)
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,2))
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_PHASE+PHASE_END)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1,id+o)
	e1:SetTarget(s.settg)
	e1:SetOperation(s.setop)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
	c:RegisterEffect(e1)
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>0 end
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,e:GetHandler(),1,0,0)
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_SZONE)<=0 then return end
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and aux.NecroValleyFilter()(c) then
		Duel.MoveToField(c,tp,tp,LOCATION_SZONE,POS_FACEUP,true)
	end
end
