name: Firewall
card_text: If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon this card, but banish it when it leaves the field. When an attack is declared involving your Link Monster and an opponent's Link Monster: You can banish this card from your GY; negate that attack, and if you do, until the end of this turn, the original ATK of that opponent's monster becomes 0, also it is unaffected by other card effects, except its own. You can only use each effect of "Firewall Guardian" once per turn.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetProperty(EFFECT_FLAG_DELAY)
  	e1:SetCode(EVENT_BE_MATERIAL)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  	--disable attack
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_ATKCHANGE)
  	e2:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e2:SetCode(EVENT_ATTACK_ANNOUNCE)
  	e2:SetRange(LOCATION_GRAVE)
  	e2:SetCountLimit(1, id + 1)
  	e2:SetCondition(s.discon)
  	e2:SetCost(aux.bfgcost)
  	e2:SetOperation(s.disop)
  	c:RegisterEffect(e2)
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	return c:IsLocation(LOCATION_GRAVE) and r == REASON_LINK and c:GetReasonCard():IsRace(RACE_CYBERSE)
  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) and Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP) ~= 0 then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e1:SetValue(LOCATION_REMOVED)
  		c:RegisterEffect(e1, true)
  	end
  end
  function s.discon(e, tp, eg, ep, ev, re, r, rp)
  	local a = Duel.GetAttacker()
  	local d = Duel.GetAttackTarget()
  	return a ~= nil and d ~= nil and a:IsType(TYPE_LINK) and d:IsType(TYPE_LINK)
  end
  function s.disop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetAttacker()
  	if tc:IsControler(tp) then
  		tc = Duel.GetAttackTarget()
  	end
  	if Duel.NegateAttack() then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_SET_BASE_ATTACK_FINAL)
  		e1:SetValue(0)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
  		tc:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_IMMUNE_EFFECT)
  		e2:SetValue(s.efilter)
  		e2:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
  		tc:RegisterEffect(e2)
  	end
  end
  function s.efilter(e, re)
  	return e:GetHandler() ~= re:GetOwner()
  end
  
  
source_text: Firewall
  If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon this card, but banish it when it leaves the field. When an attack is declared involving your Link Monster and an opponent's Link Monster: You can banish this card from your GY; negate that attack, and if you do, until the end of this turn, the original ATK of that opponent's monster becomes 0, also it is unaffected by other card effects, except its own. You can only use each effect of "Firewall Guardian" once per turn.
target_text: -- Firewall
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_O)
  	e1:SetProperty(EFFECT_FLAG_DELAY)
  	e1:SetCode(EVENT_BE_MATERIAL)
  	e1:SetCountLimit(1, id)
  	e1:SetCondition(s.spcon)
  	e1:SetTarget(s.sptg)
  	e1:SetOperation(s.spop)
  	c:RegisterEffect(e1)
  	--disable attack
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_ATKCHANGE)
  	e2:SetType(EFFECT_TYPE_FIELD + EFFECT_TYPE_TRIGGER_O)
  	e2:SetCode(EVENT_ATTACK_ANNOUNCE)
  	e2:SetRange(LOCATION_GRAVE)
  	e2:SetCountLimit(1, id + 1)
  	e2:SetCondition(s.discon)
  	e2:SetCost(aux.bfgcost)
  	e2:SetOperation(s.disop)
  	c:RegisterEffect(e2)
  end
  function s.spcon(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	return c:IsLocation(LOCATION_GRAVE) and r == REASON_LINK and c:GetReasonCard():IsRace(RACE_CYBERSE)
  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) and Duel.SpecialSummon(c, 0, tp, tp, false, false, POS_FACEUP) ~= 0 then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
  		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
  		e1:SetReset(RESET_EVENT + RESETS_REDIRECT)
  		e1:SetValue(LOCATION_REMOVED)
  		c:RegisterEffect(e1, true)
  	end
  end
  function s.discon(e, tp, eg, ep, ev, re, r, rp)
  	local a = Duel.GetAttacker()
  	local d = Duel.GetAttackTarget()
  	return a ~= nil and d ~= nil and a:IsType(TYPE_LINK) and d:IsType(TYPE_LINK)
  end
  function s.disop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetAttacker()
  	if tc:IsControler(tp) then
  		tc = Duel.GetAttackTarget()
  	end
  	if Duel.NegateAttack() then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_SET_BASE_ATTACK_FINAL)
  		e1:SetValue(0)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
  		tc:RegisterEffect(e1)
  		local e2 = Effect.CreateEffect(c)
  		e2:SetType(EFFECT_TYPE_SINGLE)
  		e2:SetCode(EFFECT_IMMUNE_EFFECT)
  		e2:SetValue(s.efilter)
  		e2:SetReset(RESET_EVENT + RESETS_STANDARD + RESET_PHASE + PHASE_END)
  		tc:RegisterEffect(e2)
  	end
  end
  function s.efilter(e, re)
  	return e:GetHandler() ~= re:GetOwner()
  end
  
  