--HDD's Struggle
local cid,id=GetID()
function cid.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(cid.spcon)
	e2:SetCost(cid.spcost)
	e2:SetTarget(cid.sptg)
	e2:SetOperation(cid.spop)
	c:RegisterEffect(e2)
	--to hand
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_TOHAND)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetCode(EVENT_FREE_CHAIN)
	e3:SetRange(LOCATION_GRAVE)
	e3:SetCountLimit(1,id)
	e3:SetCondition(aux.exccon)
	e3:SetCost(aux.bfgcost)
	e3:SetTarget(cid.thtg)
	e3:SetOperation(cid.thop)
	c:RegisterEffect(e3)
end
--SPECIAL SUMMON
function cid.cfilter(c,tp)
	return c:IsSetCard(0xf09) and c:IsReason(REASON_DESTROY) and c:IsType(TYPE_MONSTER)
		and c:GetPreviousControler()==tp and c:IsPreviousLocation(LOCATION_MZONE) and c:IsPreviousPosition(POS_FACEUP)
end
function cid.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(cid.cfilter,1,nil,tp)
end
function cid.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.CheckLPCost(tp,500) end
	Duel.PayLPCost(tp,500)
end
function cid.filter(c,e,tp)
	return c:IsSetCard(0xf08) and c:IsType(TYPE_MONSTER) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function cid.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(cid.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function cid.spop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,cid.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end

--TO HAND
function cid.thfilter(c)
	return c:IsSetCard(0xf08) and c:IsType(TYPE_MONSTER) and c:IsAbleToHand()
end
function cid.thtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and cid.thfilter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(cid.thfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectTarget(tp,aux.NecroValleyFilter(cid.thfilter),tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,g,1,0,0)
end
function cid.thop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
	end
end