Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can Special Summon this card (from your hand) in Defense Position to your zone a Link Monster points to. You can only Special Summon "Crusadia Leonis" once per turn this way. You can target 1 "Crusadia" Link Monster you control; if it attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent. You can only use this effect of "Crusadia Leonis" once per turn.
--百獣のパラディオン
--Crusadia Leonis
--Scripted by ahtelel
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon itself from hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE+EFFECT_FLAG_SPSUM_PARAM)
	e1:SetRange(LOCATION_HAND)
	e1:SetTargetRange(POS_FACEUP_DEFENSE,0)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetValue(s.spval)
	c:RegisterEffect(e1)
	--Targeted "Crusadia" link monster inflicts piercing damage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(s.condition)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
s.listed_series={SET_CRUSADIA}
function s.spval(e,c)
	return 0,aux.GetMMZonesPointedTo(c:GetControler())
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsAbleToEnterBP()
end
function s.filter(c)
	return c:IsFaceup() and c:IsSetCard(SET_CRUSADIA) and c:IsLinkMonster() and not c:IsHasEffect(EFFECT_PIERCE)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and chkc:IsFaceup() end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,s.filter,tp,LOCATION_MZONE,0,1,1,nil)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) then
		--Inflict piercing damage
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetDescription(3208)
		e1:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_PIERCE)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		tc:RegisterEffect(e1)
	end
end