--反撃の毒牙
--Ambush Fangs
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_VENOM}
s.counter_place_list={COUNTER_VENOM}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttackTarget()
	return tc and tc:IsControler(tp) and tc:IsFaceup() and tc:IsSetCard(SET_VENOM)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local tg=Duel.GetAttacker()
	if chkc then return chkc==tg end
	if chk==0 then return tg:IsOnField() and tg:IsCanBeEffectTarget(e) end
	Duel.SetTargetCard(tg)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttacker()
	if tc:IsRelateToEffect(e) and Duel.NegateAttack() then
		Duel.SkipPhase(1-tp,PHASE_BATTLE,RESET_PHASE|PHASE_BATTLE_STEP,1)
		Duel.BreakEffect()
		local atk=tc:GetAttack()
		tc:AddCounter(COUNTER_VENOM,1)
		if atk>0 and tc:GetAttack()==0 then
			Duel.RaiseEvent(tc,EVENT_CUSTOM+54306223,e,0,0,0,0)
		end
	end
end