name: Bite
card_text: If your opponent controls a face-up Xyz Monster, you can Special Summon this card (from your hand). When you do: Target 1 monster your opponent controls; that monster loses 300 ATK.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_SPSUMMON_PROC)
  	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetCondition(s.spcon)
  	e1:SetValue(SUMMON_VALUE_SELF)
  	c:RegisterEffect(e1)
  	--atkchange
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
  	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetCondition(s.atkcon)
  	e2:SetTarget(s.atktg)
  	e2:SetOperation(s.atkop)
  	c:RegisterEffect(e2)
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsType(TYPE_XYZ)
  end
  function s.spcon(e, c)
  	if c == nil then
  		return true
  	end
  	return Duel.GetLocationCount(c:GetControler(), LOCATION_MZONE) > 0 and Duel.IsExistingMatchingCard(s.filter, c:GetControler(), 0, LOCATION_MZONE, 1, nil)
  end
  function s.atkcon(e, tp, eg, ep, ev, re, r, rp)
  	return e:GetHandler():GetSummonType() == SUMMON_TYPE_SPECIAL + SUMMON_VALUE_SELF
  end
  function s.atktg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1 - tp) and chkc:IsFaceup()
  	end
  	if chk == 0 then
  		return true
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_TARGET)
  	Duel.SelectTarget(tp, Card.IsFaceup, tp, 0, LOCATION_MZONE, 1, 1, nil)
  end
  function s.atkop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetFirstTarget()
  	if tc and tc:IsRelateToEffect(e) and tc:IsFaceup() then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_UPDATE_ATTACK)
  		e1:SetValue(-300)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1)
  	end
  end
  
  
source_text: Bite
  If your opponent controls a face-up Xyz Monster, you can Special Summon this card (from your hand). When you do: Target 1 monster your opponent controls; that monster loses 300 ATK.
target_text: -- Bite
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--special summon
  	local e1 = Effect.CreateEffect(c)
  	e1:SetType(EFFECT_TYPE_FIELD)
  	e1:SetCode(EFFECT_SPSUMMON_PROC)
  	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
  	e1:SetRange(LOCATION_HAND)
  	e1:SetCondition(s.spcon)
  	e1:SetValue(SUMMON_VALUE_SELF)
  	c:RegisterEffect(e1)
  	--atkchange
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 0))
  	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
  	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetCondition(s.atkcon)
  	e2:SetTarget(s.atktg)
  	e2:SetOperation(s.atkop)
  	c:RegisterEffect(e2)
  end
  function s.filter(c)
  	return c:IsFaceup() and c:IsType(TYPE_XYZ)
  end
  function s.spcon(e, c)
  	if c == nil then
  		return true
  	end
  	return Duel.GetLocationCount(c:GetControler(), LOCATION_MZONE) > 0 and Duel.IsExistingMatchingCard(s.filter, c:GetControler(), 0, LOCATION_MZONE, 1, nil)
  end
  function s.atkcon(e, tp, eg, ep, ev, re, r, rp)
  	return e:GetHandler():GetSummonType() == SUMMON_TYPE_SPECIAL + SUMMON_VALUE_SELF
  end
  function s.atktg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1 - tp) and chkc:IsFaceup()
  	end
  	if chk == 0 then
  		return true
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_TARGET)
  	Duel.SelectTarget(tp, Card.IsFaceup, tp, 0, LOCATION_MZONE, 1, 1, nil)
  end
  function s.atkop(e, tp, eg, ep, ev, re, r, rp)
  	local c = e:GetHandler()
  	local tc = Duel.GetFirstTarget()
  	if tc and tc:IsRelateToEffect(e) and tc:IsFaceup() then
  		local e1 = Effect.CreateEffect(c)
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_UPDATE_ATTACK)
  		e1:SetValue(-300)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1)
  	end
  end
  
  