Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 2 WIND and 1 EARTH monsters from your GY. Once per turn: You can discard 1 card, then target 1 Spell/Trap on the field; destroy it.
--デザート・ツイスター
--Desert Twister
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	c:AddMustBeSpecialSummoned()
	--Must be Special Summoned (from your hand) by banishing 2 WIND and 1 EARTH monsters from your GY
	local e0=Effect.CreateEffect(c)
	e0:SetDescription(aux.Stringid(id,0))
	e0:SetType(EFFECT_TYPE_FIELD)
	e0:SetProperty(EFFECT_FLAG_UNCOPYABLE+EFFECT_FLAG_CANNOT_DISABLE)
	e0:SetCode(EFFECT_SPSUMMON_PROC)
	e0:SetRange(LOCATION_HAND)
	e0:SetCondition(s.spcon)
	e0:SetTarget(s.sptg)
	e0:SetOperation(s.spop)
	c:RegisterEffect(e0)
	--Destroy 1 Spell/Trap on the field
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,1))
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCost(Cost.Discard())
	e1:SetTarget(s.destg)
	e1:SetOperation(s.desop)
	c:RegisterEffect(e1)
end
function s.spcostfilter(c)
	return c:IsAttribute(ATTRIBUTE_WIND|ATTRIBUTE_EARTH) and c:IsAbleToRemoveAsCost() and aux.SpElimFilter(c,true)
end
function s.rescon(sg,e,tp,mg)
	return Duel.GetMZoneCount(tp,sg)>0 and sg:IsExists(Card.IsAttribute,2,nil,ATTRIBUTE_WIND) and sg:IsExists(Card.IsAttribute,1,nil,ATTRIBUTE_EARTH)
end
function s.spcon(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	local rg=Duel.GetMatchingGroup(s.spcostfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil)
	return #rg>=3 and aux.SelectUnselectGroup(rg,e,tp,3,3,s.rescon,0)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,c)
	local rg=Duel.GetMatchingGroup(s.spcostfilter,tp,LOCATION_MZONE|LOCATION_GRAVE,0,nil)
	local g=aux.SelectUnselectGroup(rg,e,tp,3,3,s.rescon,1,tp,HINTMSG_REMOVE,nil,nil,true)
	if #g>0 then
		g:KeepAlive()
		e:SetLabelObject(g)
		return true
	end
	return false
end
function s.spop(e,tp,eg,ep,ev,re,r,rp,c)
	local g=e:GetLabelObject()
	if not g then return end
	Duel.Remove(g,POS_FACEUP,REASON_COST)
	g:DeleteGroup()
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsSpellTrap() end
	if chk==0 then return Duel.IsExistingTarget(Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,tp,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end