--荒野の大竜巻
function c47766694.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(c47766694.target)
	e1:SetOperation(c47766694.activate)
	c:RegisterEffect(e1)
	--Destroy
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(47766694,1))
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCondition(c47766694.descon)
	e2:SetTarget(c47766694.destg)
	e2:SetOperation(c47766694.desop)
	c:RegisterEffect(e2)
end
function c47766694.filter(c)
	return c:IsFaceup() and c:GetSequence()<5
end
function c47766694.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_SZONE) and c47766694.filter(chkc) and chkc~=e:GetHandler() end
	if chk==0 then return Duel.IsExistingTarget(c47766694.filter,tp,LOCATION_SZONE,LOCATION_SZONE,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,c47766694.filter,tp,LOCATION_SZONE,LOCATION_SZONE,1,1,e:GetHandler())
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c47766694.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) and Duel.Destroy(tc,REASON_EFFECT)~=0 then
		local dp=tc:GetControler()
		local g=Duel.GetMatchingGroup(Card.IsSSetable,dp,LOCATION_HAND,0,nil)
		if g:GetCount()>0 and Duel.SelectYesNo(dp,aux.Stringid(47766694,0)) then
			Duel.BreakEffect()
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
			local sg=g:Select(dp,1,1,nil)
			Duel.SSet(dp,sg,dp,false)
		end
	end
end
function c47766694.descon(e,tp,eg,ep,ev,re,r,rp)
	return bit.band(r,REASON_DESTROY)~=0
		and bit.band(e:GetHandler():GetPreviousLocation(),LOCATION_ONFIELD)~=0
		and bit.band(e:GetHandler():GetPreviousPosition(),POS_FACEDOWN)~=0
end
function c47766694.desfilter(c)
	return c:IsFaceup()
end
function c47766694.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and c47766694.desfilter(chkc) end
	if chk==0 then return true end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,c47766694.desfilter,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function c47766694.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end
