Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When this card is sent directly from your hand to the Graveyard, add this card to the Deck and shuffle it.
--霞の谷の大怪鳥
--Roc from the Valley of Haze
local s,id=GetID()
function s.initial_effect(c)
	--to deck
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TODECK)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_TO_GRAVE)
	e1:SetCondition(s.retcon)
	e1:SetTarget(s.rettg)
	e1:SetOperation(s.retop)
	c:RegisterEffect(e1)
end
function s.retcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetPreviousLocation()==LOCATION_HAND
end
function s.rettg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TODECK,e:GetHandler(),1,0,0)
end
function s.retop(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():IsRelateToEffect(e) then
		Duel.SendtoDeck(e:GetHandler(),nil,SEQ_DECKSHUFFLE,REASON_EFFECT)
	end
end