--Garleth Sellva's Skydianborn Protection
--Scripted by: XGlitchy30

local s,id=GetID()
function s.initial_effect(c)
	--Negate effect
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DISABLE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SHOPT()
	e1:SetCondition(s.discon)
	e1:SetTarget(s.distg)
	e1:SetOperation(s.disop)
	c:RegisterEffect(e1)
	--Mill
	local e2=Effect.CreateEffect(c)
	e2:Desc(1)
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_GRAVE)
	e2:SHOPT()
	e2:SetHintTiming(0,RELEVANT_TIMINGS)
	e2:SetCondition(aux.MainPhaseCond(0))
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.disconfilter(c,tp)
	return c:IsFaceup() and c:IsOnField() and c:IsControler(tp) and c:IsSetCard(0x223,0x222,0x528,0xd0a1)
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	if rp~=1-tp or not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return false end
	local tg=Duel.GetChainInfo(ev,CHAININFO_TARGET_CARDS)
	return tg and tg:IsExists(s.disconfilter,1,nil,tp) and Duel.IsChainDisablable(ev)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	local rc=re:GetHandler()
	local relation=rc:IsRelateToEffect(re)
	if chk==0 then return not rc:IsStatus(STATUS_DISABLED) and (rc:IsAbleToRemove(tp) or (not relation and Duel.IsPlayerCanRemove(tp))) end
	Duel.SetOperationInfo(0,CATEGORY_DISABLE,eg,1,0,0)
	if relation then
		Duel.SetOperationInfo(0,CATEGORY_REMOVE,rc,1,rc:GetControler(),rc:GetLocation())
	else
		Duel.SetOperationInfo(0,CATEGORY_REMOVE,nil,0,0,rc:GetPreviousLocation())
	end
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateEffect(ev) and re:GetHandler():IsRelateToChain(ev) then
		Duel.Remove(eg,POS_FACEUP,REASON_EFFECT)
	end
end

function s.thfilter(c)
	return c:IsSetCard(0x223,0x222,0x528,0xd0a1) and not c:IsCode(id) and c:NotBanishedOrFaceup()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_GRAVE|LOCATION_REMOVED,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_GRAVE|LOCATION_REMOVED)
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_GRAVE|LOCATION_REMOVED,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end