--created by Walrus, coded by Lyris, art from Shadowverse's "Mist of Extinction"
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_QUICK_O)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e1:SetCost(s.cost)
	e1:SetTarget(s.thtg)
	e1:SetOperation(s.thop)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_TO_GRAVE)
	e2:SetCountLimit(1,id+1000)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL+EFFECT_FLAG_DELAY)
	e2:SetCondition(s.con)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_TO_GRAVE)
	e4:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e4:SetOperation(s.checkop)
	c:RegisterEffect(e4)
	e2:SetLabelObject(e4)
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_EVENT_PLAYER)
	e3:SetCode(EVENT_BE_MATERIAL)
	e3:SetCondition(s.mtcon)
	e3:SetOperation(s.mtop)
	c:RegisterEffect(e3)
end
function s.cfilter(c)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0x106) and c:IsDiscardable()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsDiscardable() and
		Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND,0,1,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DISCARD)
	Duel.SendtoGrave(Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_HAND,0,1,1,c)+c,REASON_COST+REASON_DISCARD)
end
function s.filter(c,typ)
	return c:GetType()&typ==typ and c:IsSetCard(0x106) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil,0x82)
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil,0x81) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,2,tp,LOCATION_DECK+LOCATION_GRAVE)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	if not (Duel.IsExistingMatchingCard(aux.NecroValleyFilter(s.filter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil,0x82)
		and Duel.IsExistingMatchingCard(aux.NecroValleyFilter(s.filter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,nil,0x81)) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.filter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,1,nil,0x82)+Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.filter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,1,nil,0x81)
	Duel.SendtoHand(g,nil,REASON_EFFECT)
	Duel.ConfirmCards(1-tp,g)
end
function s.checkop(e,tp,eg,ep,ev,re,r,rp)
	if (r&REASON_EFFECT)==0 then return end
	e:SetLabelObject(re)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_CHAIN_END)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e1:SetOperation(s.resetop)
	e1:SetLabelObject(e)
	Duel.RegisterEffect(e1,tp)
	local e2=e1:Clone()
	e2:SetCode(EVENT_BREAK_EFFECT)
	e2:SetOperation(s.resetop2)
	e2:SetReset(RESET_CHAIN)
	e2:SetLabelObject(e1)
	Duel.RegisterEffect(e2,tp)
end
function s.resetop(e,tp,eg,ep,ev,re,r,rp)
	e:GetLabelObject():SetLabelObject(nil)
	e:Reset()
end
function s.resetop2(e,tp,eg,ep,ev,re,r,rp)
	local e1=e:GetLabelObject()
	e1:GetLabelObject():SetLabelObject(nil)
	e1:Reset()
	e:Reset()
end
function s.sfilter(c,tp,se)
	return c:IsSetCard(0x106) and c:IsPreviousLocation(LOCATION_MZONE) and c:IsPreviousControler(tp)
		and not c:IsCode(id) and (not se or c:GetReasonEffect()~=se)
end
function s.con(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.sfilter,1,nil,tp,e:GetLabelObject():GetLabelObject())
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP) end
end
function s.mtcon(e,tp,eg,ep,ev,re,r,rp)
	return r==REASON_RITUAL and e:GetHandler():IsPreviousLocation(LOCATION_MZONE)
		and eg:IsExists(Card.IsSetCard,1,nil,0x106)
end
function s.mtop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local rc=eg:Filter(Card.IsSetCard,nil,0x106):GetFirst()
	if not rc then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetReset(RESET_EVENT+RESETS_STANDARD)
	e1:SetCode(EFFECT_SET_BASE_ATTACK)
	e1:SetValue(0)
	rc:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCategory(CATEGORY_EQUIP)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER+TIMING_END_PHASE)
	e2:SetTarget(s.eqtg)
	e2:SetOperation(s.eqop)
	e2:SetReset(RESET_EVENT+RESETS_STANDARD)
	rc:RegisterEffect(e2,true)
	if not rc:IsType(TYPE_EFFECT) then
		local e3=Effect.CreateEffect(c)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_ADD_TYPE)
		e3:SetValue(TYPE_EFFECT)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD)
		rc:RegisterEffect(e3,true)
	end
	rc:RegisterFlagEffect(0,RESET_EVENT+RESETS_STANDARD,EFFECT_FLAG_CLIENT_HINT,1,0,aux.Stringid(id,0))
end
function s.qfilter(c)
	return c:IsSetCard(0x106) and c:GetType()&0x81==0x81 and not c:IsForbidden()
end
function s.eqtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.qfilter(chkc) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>0
		and Duel.IsExistingTarget(s.qfilter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	local g=Duel.SelectTarget(tp,s.qfilter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,g,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,g,1,0,0)
end
function s.eqop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		local atk=tc:GetTextAttack()
		if atk<0 then atk=0 end
		if not Duel.Equip(tp,tc,c,false) then return end
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_OWNER_RELATE)
		e1:SetCode(EFFECT_EQUIP_LIMIT)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		e1:SetValue(s.eqlimit)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_EQUIP)
		e2:SetProperty(EFFECT_FLAG_OWNER_RELATE+EFFECT_FLAG_IGNORE_IMMUNE)
		e2:SetCode(EFFECT_UPDATE_ATTACK)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		e2:SetValue(atk)
		tc:RegisterEffect(e2)
	end
end
function s.eqlimit(e,c)
	return e:GetOwner()==c
end