Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card is Summoned: Target 1 card your opponent controls; toss a coin twice, and if the result is 2 heads, destroy it.
--ツインバレル・ドラゴン
--Twin-Barrel Dragon
local s,id=GetID()
function s.initial_effect(c)
	--Toss 2 coins and destroy a card the opponent controls
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_COIN)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EVENT_FLIP_SUMMON_SUCCESS)
	c:RegisterEffect(e2)
	local e3=e1:Clone()
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	c:RegisterEffect(e3)
end
s.toss_coin=true
function s.destg(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 true end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,nil,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_COIN,nil,0,tp,2)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		if Duel.CountHeads(Duel.TossCoin(tp,2))<2 then return end
		Duel.Destroy(tc,REASON_EFFECT)
	end
end