--Merciless Scorpion of Serket
local s,id,o=GetID()
function s.initial_effect(c)
	aux.AddCodeList(c,29762407)
	c:EnableReviveLimit()
	--spsummon rule
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetCondition(s.sprcon)
	e1:SetTarget(s.sprtg)
	e1:SetOperation(s.sprop)
	c:RegisterEffect(e1)
	--search
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
	--destroy
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetCategory(CATEGORY_DESTROY+CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_BATTLE_START)
	e3:SetTarget(s.destg)
	e3:SetOperation(s.desop)
	c:RegisterEffect(e3)
end
function s.cfilter(c,tp)
	return c:IsAbleToRemoveAsCost() and c:IsAbleToRemove(tp,POS_FACEUP,REASON_SPSUMMON) and c:IsLevelAbove(10)
end
function s.sprcon(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND+LOCATION_DECK,0,1,c,tp)
		and Duel.IsExistingMatchingCard(aux.AND(Card.IsFaceup,Card.IsCode),tp,LOCATION_ONFIELD,0,1,nil,29762407)
end
function s.sprtg(e,tp,eg,ep,ev,re,r,rp,chk,c)
	local g=Duel.GetMatchingGroup(s.cfilter,tp,LOCATION_HAND+LOCATION_DECK,0,c,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local tc=g:SelectUnselect(nil,tp,false,true,1,1)
	if tc then
		e:SetLabelObject(tc)
		return true
	else return false end
end
function s.sprop(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	Duel.Remove(g,POS_FACEUP,REASON_SPSUMMON)
end
function s.thfilter(c)
	return (c:IsCode(29762407) or aux.IsCodeListed(c,29762407) and c:IsType(TYPE_SPELL)) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	local tc=e:GetHandler():GetBattleTarget()
	if chk==0 then return tc and tc:IsControler(1-tp) end
	e:SetLabelObject(tc)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,tc,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=e:GetLabelObject()
	if tc and tc:IsRelateToBattle() and tc:IsType(TYPE_MONSTER) and tc:IsControler(1-tp) and Duel.Destroy(tc,REASON_EFFECT)~=0
		and c:IsFaceup() and c:IsRelateToEffect(e) then
		local atk=tc:GetTextAttack()
		if atk<0 then atk=0 end
		if atk>0 then
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_UPDATE_ATTACK)
			e1:SetValue(math.ceil(atk/2))
			e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_DISABLE)
			c:RegisterEffect(e1)
		end
	end
end