Venom
Select 1 monster with a Venom Counter(s). Remove all Venom Counters from that card, and inflict 700 damage to your opponent for each Venom Counter removed.
local COUNTER_ID_0 = 0x1009 --Venom

local COUNTER_ID_0 = 0x1009 --Venom
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DAMAGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:GetCounter(COUNTER_ID_0) > 0
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc)
	end
	if chk == 0 then
		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_FACEUP)
	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, 1, nil)
	Duel.SetOperationInfo(0, CATEGORY_DAMAGE, nil, 0, 1 - tp, g:GetFirst():GetCounter(COUNTER_ID_0) * 700)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	local ct = tc:GetCounter(COUNTER_ID_0)
	if ct > 0 then
		tc:RemoveCounter(tp, COUNTER_ID_0, ct, REASON_EFFECT)
		Duel.Damage(1 - tp, ct * 700, REASON_EFFECT)
	end
end


Venom
Select 1 monster with a Venom Counter(s). Remove all Venom Counters from that card, and inflict 700 damage to your opponent for each Venom Counter removed.
-- Venom
local COUNTER_ID_0 = 0x1009 --Venom
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DAMAGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter(c)
	return c:GetCounter(COUNTER_ID_0) > 0
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
	if chkc then
		return chkc:IsLocation(LOCATION_MZONE) and s.filter(chkc)
	end
	if chk == 0 then
		return Duel.IsExistingTarget(s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, nil)
	end
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_FACEUP)
	local g = Duel.SelectTarget(tp, s.filter, tp, LOCATION_MZONE, LOCATION_MZONE, 1, 1, nil)
	Duel.SetOperationInfo(0, CATEGORY_DAMAGE, nil, 0, 1 - tp, g:GetFirst():GetCounter(COUNTER_ID_0) * 700)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local tc = Duel.GetFirstTarget()
	local ct = tc:GetCounter(COUNTER_ID_0)
	if ct > 0 then
		tc:RemoveCounter(tp, COUNTER_ID_0, ct, REASON_EFFECT)
		Duel.Damage(1 - tp, ct * 700, REASON_EFFECT)
	end
end

