--Duston Dustoff
local cid,id=GetID()
function cid.initial_effect(c)
	--activate
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_ACTIVATE)
	e0:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e0)
	--atk
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetRange(LOCATION_SZONE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,0x80))
	e1:SetValue(1000)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetCountLimit(1,id)
	e2:SetTarget(cid.sptg1)
	e2:SetOperation(cid.spop1)
	c:RegisterEffect(e2)
	--change effect
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_CHAIN_SOLVING)
	e4:SetRange(LOCATION_SZONE)
	e4:SetCountLimit(1,id+100)
	e4:SetCondition(cid.chcon2)
	e4:SetOperation(cid.chop2)
	c:RegisterEffect(e4)
	--special summon
	local e5=Effect.CreateEffect(c)
	e5:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e5:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e5:SetProperty(EFFECT_FLAG_DELAY)
	e5:SetCode(EVENT_DESTROYED)
	e5:SetCountLimit(1,id+1000)
	e5:SetCondition(cid.descon)
	e5:SetTarget(cid.sptg)
	e5:SetOperation(cid.spop)
	c:RegisterEffect(e5)
end
function cid.chcon2(e,tp,eg,ep,ev,re,r,rp)
	return  ep~=tp and re:IsActiveType(TYPE_SPELL+TYPE_TRAP)
end
function cid.chop2(e,tp,eg,ep,ev,re,r,rp)
	local g=Group.CreateGroup()
	Duel.ChangeTargetCard(ev,g)
	Duel.ChangeChainOperation(ev,cid.repop)
end
function cid.desfilter(c)
	return c:IsFacedown() or c:IsFaceup()
end
function cid.repop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectMatchingCard(tp,cid.desfilter,tp,0,LOCATION_ONFIELD,1,1,nil)
	if #g>0 then
		Duel.HintSelection(g)
		Duel.Destroy(g,REASON_EFFECT)
	end
end
function cid.spfilter1(c,e,tp)
	return c:IsSetCard(0x80) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function cid.sptg1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(cid.spfilter1,tp,LOCATION_DECK,0,1,nil,e,tp) and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function cid.spop1(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,cid.spfilter1,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
function cid.descon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp and e:GetHandler():GetPreviousControler()==tp
end
function cid.filter(c,e,tp)
	return c:IsSetCard(0x80) and (c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		or c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP,1-tp))
end
function cid.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and cid.filter(chkc,e,tp) end
	if chk==0 then return (Duel.GetLocationCount(tp,LOCATION_MZONE)>0 or Duel.GetLocationCount(1-tp,LOCATION_MZONE)>0)
		and Duel.IsExistingTarget(cid.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function cid.spop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.GetMatchingGroup(cid.filter,tp,LOCATION_DECK,0,nil,e,tp)
	local sg=g:Select(tp,2,2,nil)
	for tc in aux.Next(sg) do
		local s1=Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and tc:IsCanBeSpecialSummoned(e,0,tp,false,false)
		local s2=Duel.GetLocationCount(1-tp,LOCATION_MZONE)>0 and tc:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP,1-tp)
		local op=0
		Duel.Hint(HINT_SELECTMSG,tp,0)
		if s1 and s2 then op=Duel.SelectOption(tp,aux.Stringid(id,1),aux.Stringid(id,2))
		elseif s1 then op=Duel.SelectOption(tp,aux.Stringid(id,1))
		elseif s2 then op=Duel.SelectOption(tp,aux.Stringid(id,2))+1
		end
		if op==0 then Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
		else Duel.SpecialSummon(tc,0,tp,1-tp,false,false,POS_FACEUP) end
	end
end