Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Activate only while you control a face-up "Venom" monster, "Vennominaga the Deity of Poisonous Snakes", or "Vennominon the King of Poisonous Snakes". Send 1 Reptile-Type monster from your Deck to the Graveyard and place 2 Venom Counters on 1 face-up monster your opponent controls.
--ヴェノム・ショット
--Venom Shot
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DECKDES)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	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.cfilter(c)
	return c:IsFaceup() and (c:IsCode(72677437,8062132) or c:IsSetCard(SET_VENOM))
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil)
end
function s.tgfilter(c)
	return c:IsRace(RACE_REPTILE) and c:IsAbleToGrave()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(1-tp) and chkc:IsCanAddCounter(COUNTER_VENOM,2) end
	if chk==0 then return Duel.IsExistingTarget(Card.IsCanAddCounter,tp,0,LOCATION_MZONE,1,nil,COUNTER_VENOM,2)
		and Duel.IsExistingMatchingCard(s.tgfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectTarget(tp,Card.IsCanAddCounter,tp,0,LOCATION_MZONE,1,1,nil,COUNTER_VENOM,2)
	Duel.SetOperationInfo(0,CATEGORY_COUNTER,nil,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.tgfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoGrave(g,REASON_EFFECT)
		local tc=Duel.GetFirstTarget()
		if tc:IsRelateToEffect(e) and tc:IsCanAddCounter(COUNTER_VENOM,2) and g:GetFirst():IsLocation(LOCATION_GRAVE) then
			local atk=tc:GetAttack()
			tc:AddCounter(COUNTER_VENOM,2)
			if atk>0 and tc:GetAttack()==0 then
				Duel.RaiseEvent(tc,EVENT_CUSTOM+54306223,e,0,0,0,0)
			end
		end
	end
end