name: Machina
card_text: Once per turn, when a Machine monster is destroyed by battle and sent to your GY: You can Special Summon 1 Machine monster from your Deck that has the same Attribute and less ATK than that destroyed monster in the GY.
lua: local s, id, o = GetID()
  function s.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 e3 = Effect.CreateEffect(c)
  	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e3:SetDescription(aux.Stringid(id, 0))
  	e3:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e3:SetRange(LOCATION_SZONE)
  	e3:SetCode(EVENT_BATTLE_DESTROYED)
  	e3:SetCountLimit(1)
  	e3:SetTarget(s.target)
  	e3:SetOperation(s.operation)
  	c:RegisterEffect(e3)
  end
  function s.cfilter(c, e, tp)
  	return c:IsRace(RACE_MACHINE)
  		and c:IsControler(tp)
  		and c:IsLocation(LOCATION_GRAVE)
  		and c:IsReason(REASON_BATTLE)
  		and bit.band(c:GetPreviousRaceOnField(), RACE_MACHINE) ~= 0
  		and Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil, c:GetAttack(), c:GetAttribute(), e, tp)
  end
  function s.filter(c, atk, att, e, tp)
  	local a = c:GetAttack()
  	return a >= 0 and a < atk and c:IsRace(RACE_MACHINE) and c:IsAttribute(att) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and eg:IsExists(s.cfilter, 1, nil, e, tp)
  	end
  	Duel.SetTargetCard(eg)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_DECK)
  end
  function s.cfilter2(c, e, tp)
  	return c:IsRace(RACE_MACHINE) and c:IsControler(tp) and c:IsRelateToEffect(e) and Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil, c:GetAttack(), c:GetAttribute(), e, tp)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	if Duel.GetLocationCount(tp, LOCATION_MZONE) <= 0 then
  		return
  	end
  	local sg = eg:Filter(s.cfilter2, nil, e, tp)
  	if sg:GetCount() == 1 then
  		local tc = sg:GetFirst()
  		Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  		local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil, tc:GetAttack(), tc:GetAttribute(), e, tp)
  		if g:GetCount() > 0 then
  			Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
  		end
  	else
  		local tc = sg:GetFirst()
  		if not tc then
  			return
  		end
  		local atk = tc:GetAttack()
  		local att = tc:GetAttribute()
  		tc = sg:GetNext()
  		if tc then
  			if tc:GetAttack() > atk then
  				atk = tc:GetAttack()
  			end
  			att = bit.bor(att, tc:GetAttribute())
  		end
  		Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  		local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil, atk, att, e, tp)
  		if g:GetCount() > 0 then
  			Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
  		end
  	end
  end
  
  
source_text: Machina
  Once per turn, when a Machine monster is destroyed by battle and sent to your GY: You can Special Summon 1 Machine monster from your Deck that has the same Attribute and less ATK than that destroyed monster in the GY.
target_text: -- Machina
  local s, id, o = GetID()
  function s.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 e3 = Effect.CreateEffect(c)
  	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e3:SetDescription(aux.Stringid(id, 0))
  	e3:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e3:SetRange(LOCATION_SZONE)
  	e3:SetCode(EVENT_BATTLE_DESTROYED)
  	e3:SetCountLimit(1)
  	e3:SetTarget(s.target)
  	e3:SetOperation(s.operation)
  	c:RegisterEffect(e3)
  end
  function s.cfilter(c, e, tp)
  	return c:IsRace(RACE_MACHINE)
  		and c:IsControler(tp)
  		and c:IsLocation(LOCATION_GRAVE)
  		and c:IsReason(REASON_BATTLE)
  		and bit.band(c:GetPreviousRaceOnField(), RACE_MACHINE) ~= 0
  		and Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil, c:GetAttack(), c:GetAttribute(), e, tp)
  end
  function s.filter(c, atk, att, e, tp)
  	local a = c:GetAttack()
  	return a >= 0 and a < atk and c:IsRace(RACE_MACHINE) and c:IsAttribute(att) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and eg:IsExists(s.cfilter, 1, nil, e, tp)
  	end
  	Duel.SetTargetCard(eg)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_DECK)
  end
  function s.cfilter2(c, e, tp)
  	return c:IsRace(RACE_MACHINE) and c:IsControler(tp) and c:IsRelateToEffect(e) and Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil, c:GetAttack(), c:GetAttribute(), e, tp)
  end
  function s.operation(e, tp, eg, ep, ev, re, r, rp)
  	if Duel.GetLocationCount(tp, LOCATION_MZONE) <= 0 then
  		return
  	end
  	local sg = eg:Filter(s.cfilter2, nil, e, tp)
  	if sg:GetCount() == 1 then
  		local tc = sg:GetFirst()
  		Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  		local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil, tc:GetAttack(), tc:GetAttribute(), e, tp)
  		if g:GetCount() > 0 then
  			Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
  		end
  	else
  		local tc = sg:GetFirst()
  		if not tc then
  			return
  		end
  		local atk = tc:GetAttack()
  		local att = tc:GetAttribute()
  		tc = sg:GetNext()
  		if tc then
  			if tc:GetAttack() > atk then
  				atk = tc:GetAttack()
  			end
  			att = bit.bor(att, tc:GetAttribute())
  		end
  		Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  		local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 1, nil, atk, att, e, tp)
  		if g:GetCount() > 0 then
  			Duel.SpecialSummon(g, 0, tp, tp, false, false, POS_FACEUP)
  		end
  	end
  end
  
  