--斬機サブトラ
--Mathmech Subtraction
--Scripted by Naim
local s,id=GetID()
function s.initial_effect(c)
	--Special summon itself from hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsFaceup() end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP)
		and Duel.IsExistingTarget(Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
	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()
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_FIELD)
	e0:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_CLIENT_HINT)
	e0:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e0:SetReset(RESET_PHASE|PHASE_END)
	e0:SetDescription(aux.Stringid(id,1))
	e0:SetTargetRange(1,0)
	e0:SetTarget(s.splimit)
	Duel.RegisterEffect(e0,tp)
	--Clock Lizard check
	aux.addTempLizardCheck(e:GetHandler(),tp,s.lizfilter)
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)~=0 and tc:IsRelateToEffect(e) and tc:IsFaceup() then
		Duel.BreakEffect()
		--Targeted monster loses 1000 ATK
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		e1:SetValue(-1000)
		tc:RegisterEffect(e1)
		--Cannot attack this turn
		local e2=Effect.CreateEffect(c)
		e2:SetDescription(3206)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_CANNOT_ATTACK)
		e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e2:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e2)
	end
end
function s.splimit(e,c,sump,sumtype,sumpos,targetp,se)
	return c:IsLocation(LOCATION_EXTRA) and not c:IsRace(RACE_CYBERSE)
end
function s.lizfilter(e,c)
	return not c:IsOriginalRace(RACE_CYBERSE)
end