--Advent of Etherveil
--Script by XGlitchy30
local cid,id=GetID()
function cid.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_REMOVE+CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetCost(cid.cost)
	e1:SetTarget(cid.target)
	e1:SetOperation(cid.activate)
	e1:SetLabel(0)
	c:RegisterEffect(e1)
	--recover
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCategory(CATEGORY_TOHAND)
	e1:SetCountLimit(1,id)
	e2:SetCost(cid.tdcost)
	e2:SetTarget(cid.thtg)
	e2:SetOperation(cid.thop)
	c:RegisterEffect(e2)
end
--ACTIVATE
function cid.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	e:SetLabel(100)
	if chk==0 then return true end
end
function cid.costfilter(c)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0x312) and not c:IsPublic() and c:IsAbleToRemove()
end
function cid.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then
		if e:GetLabel()~=100 then return false end
		e:SetLabel(0)
		return e:IsHasType(EFFECT_TYPE_ACTIVATE) and Duel.IsExistingMatchingCard(cid.costfilter,tp,LOCATION_HAND,0,1,e:GetHandler())
			and Duel.IsPlayerCanDraw(tp,2)
	end
	e:SetLabel(0)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CONFIRM)
	local g=Duel.SelectMatchingCard(tp,cid.costfilter,tp,LOCATION_HAND,0,1,1,nil)
	Duel.ConfirmCards(1-tp,g)
	Duel.ShuffleHand(tp)
	Duel.SetTargetCard(g)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,g,#g,0,0)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,2)
end
function cid.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc and Duel.Remove(tc,POS_FACEDOWN,REASON_EFFECT)~=0 then
		Duel.BreakEffect()
		Duel.Draw(tp,2,REASON_EFFECT)
	end
end
--RECOVER
function cid.cfilter(c)
	return c:IsFacedown() and c:IsAbleToDeckAsCost()
end
function cid.tdcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(cid.cfilter,tp,LOCATION_REMOVED,0,3,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TODECK)
	local g=Duel.SelectMatchingCard(tp,cid.cfilter,tp,LOCATION_REMOVED,0,3,3,nil)
	if #g>0 then
		Duel.SendtoDeck(g,nil,2,REASON_COST)
	end
end
function cid.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToHand() end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,0,0)
end
function cid.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,c)
	end
end