--機怪神エクスクローラー
--Deus X-Krawler
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	--flip and negate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DISABLE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_CHAINING)
	e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.discon)
	e1:SetCost(s.discost)
	e1:SetTarget(s.distg)
	e1:SetOperation(s.disop)
	c:RegisterEffect(e1)
	--flip
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_FLIP)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetOperation(s.flipop)
	c:RegisterEffect(e2)
	--negate effects
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e3:SetCode(EVENT_CHAIN_SOLVING)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCondition(s.discon2)
	e3:SetOperation(s.disop2)
	c:RegisterEffect(e3)
	--add to hand
	local e4=Effect.CreateEffect(c)
	e4:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e4:SetCode(EVENT_DESTROYED)
	e4:SetCountLimit(1,id)
	e4:SetCondition(s.thcon)
	e4:SetTarget(s.thtg)
	e4:SetOperation(s.thop)
	c:RegisterEffect(e4)
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	if rp==tp or not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return false end
	local tg=Duel.GetChainInfo(ev,CHAININFO_TARGET_CARDS)
	local c=e:GetHandler()
	if not tg then return false end
	return tg:IsContains(c) and c:IsFacedown()
end
function s.discost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.ChangePosition(e:GetHandler(),POS_FACEUP_DEFENSE)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
	end
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateActivation(ev) and re:GetHandler():IsRelateToEffect(re) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
end
function s.flipop(e,tp,eg,ep,ev,re,r,rp)
	e:GetHandler():RegisterFlagEffect(id,RESET_EVENT|RESETS_STANDARD,0,1)
end
function s.discon2(e,tp,eg,ep,ev,re,r,rp)
	return re:IsMonsterEffect() and rp==1-tp and e:GetHandler():GetFlagEffect(id)~=0 and Duel.GetChainInfo(ev,CHAININFO_TRIGGERING_LOCATION)==LOCATION_MZONE
end
function s.disop2(e,tp,eg,ep,ev,re,r,rp)
	Duel.NegateEffect(ev)
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return (r&REASON_EFFECT+REASON_BATTLE)~=0 and e:GetHandler():IsPreviousLocation(LOCATION_ONFIELD)
end
function s.thfilter(c,ec)
	return c:IsLevel(9) and c:IsAbleToHand() 
		and c:GetOriginalAttribute()~=ec:GetOriginalAttribute() 
		and c:GetOriginalRace()~=ec:GetOriginalRace()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil,e:GetHandler()) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.thfilter),tp,LOCATION_DECK,0,1,1,nil,e:GetHandler())
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end