--created by Eaden, coded by Lyris
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	aux.AddXyzProcedure(c,aux.FilterBoolFunction(Card.IsAttribute,ATTRIBUTE_DARK),6,2)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCountLimit(1,id)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetTarget(function(e,tp,eg,ep,ev,re,r,rp,chk) if chk==0 then return Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)>0 end end)
	e1:SetOperation(s.thop)
	c: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,id+100)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e2:SetCategory(CATEGORY_ATKCHANGE)
	e2:SetCondition(function(e) local c=e:GetHandler() return aux.dscon() and c:GetBattleTarget() and c:GetOverlayCount()>5 end)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	local g=Duel.GetDecktopGroup(tp,1)
	Duel.DisableShuffleCheck()
	Duel.Overlay(c,g)
	local og=Duel.GetOverlayGroup(tp,1,0):Filter(Card.IsAbleToHand,nil)
	if g:GetFirst():IsLocation(LOCATION_OVERLAY) and #og>0 and Duel.SelectYesNo(tp,1190) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
		local sg=og:Select(tp,1,1,nil)
		Duel.SendtoHand(sg,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,sg)
	end
end
function s.filter(c)
	return c:IsCanOverlay() and c:GetBaseAttack()>0
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_MZONE,0,1,e:GetHandler()) end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_XMATERIAL)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_MZONE,0,1,1,c)
	local tc=g:GetFirst()
	local atk=tc:GetBaseAttack()
	Duel.Overlay(c,g)
	if tc and tc:IsLocation(LOCATION_OVERLAY) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_DISABLE+RESET_PHASE+PHASE_END)
		e1:SetValue(math.ceil(atk/2))
		c:RegisterEffect(e1)
	end
end