Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If you control 2 or more face-up "Morphtronic" monsters, select 2 cards your opponent controls. Destroy 1 card of your opponent's choice from those 2.
--ブレンD
--Morphtronic Mix-up
local s,id=GetID()
function s.initial_effect(c)
	--destroy
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
s.listed_series={SET_MORPHTRONIC}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsSetCard,SET_MORPHTRONIC),tp,LOCATION_MZONE,0,2,nil)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(1-tp) end
	if chk==0 then return Duel.IsExistingTarget(aux.TRUE,tp,0,LOCATION_ONFIELD,2,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_OPPO)
	local g=Duel.SelectTarget(tp,aux.TRUE,tp,0,LOCATION_ONFIELD,2,2,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local sg=g:Filter(Card.IsRelateToEffect,nil,e)
	if #sg==0 then return
	elseif #sg==1 then
		Duel.Destroy(sg,REASON_EFFECT)
	else
		Duel.Hint(HINT_SELECTMSG,1-tp,HINTMSG_DESTROY)
		local dg=sg:Select(1-tp,1,1,nil)
		Duel.Destroy(dg,REASON_EFFECT)
	end
end