Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
1 Dragon Tuner + 1+ non-Tuner Winged Beast monsters When this card is Synchro Summoned: You can target 1 Level 3 or lower Dragon "Dragunity" monster in your GY; equip that target to this card. Once per turn: You can send 1 Equip Card you control equipped to this card to the GY; double this card's ATK until the end of this turn. * The above text is unofficial and describes the card's functionality in the OCG.
--ドラグニティナイト－ヴァジュランダ
--Dragunity Knight - Vajrayana
local s,id=GetID()
function s.initial_effect(c)
	--synchro summon
	Synchro.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsRace,RACE_DRAGON),1,1,Synchro.NonTunerEx(Card.IsRace,RACE_WINGEDBEAST),1,99)
	c:EnableReviveLimit()
	--equip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_LEAVE_GRAVE+CATEGORY_EQUIP)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCondition(s.eqcon)
	e1:SetTarget(s.eqtg)
	e1:SetOperation(s.eqop)
	c:RegisterEffect(e1)
	aux.AddEREquipLimit(c,nil,s.eqval,Card.EquipByEffectAndLimitRegister,e1)
	--atk
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_ATKCHANGE)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetCountLimit(1)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCost(s.atkcost)
	e2:SetOperation(s.atkop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_DRAGUNITY}
function s.eqval(ec,c,tp)
	return ec:IsControler(tp) and ec:IsLevelBelow(3) and ec:IsSetCard(SET_DRAGUNITY) and ec:IsRace(RACE_DRAGON)
end
function s.eqcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():IsSynchroSummoned()
end
function s.filter(c)
	return c:IsLevelBelow(3) and c:IsSetCard(SET_DRAGUNITY) and c:IsRace(RACE_DRAGON) and not c:IsForbidden()
end
function s.eqtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>0
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,g,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,g,1,0,0)
end
function s.eqop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_SZONE)<=0 then return end
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		c:EquipByEffectAndLimitRegister(e,tp,tc)
	end
end
function s.cfilter(c,tp)
	return c:IsAbleToGraveAsCost() and c:IsControler(tp)
end
function s.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:GetEquipGroup():IsExists(s.cfilter,1,nil,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=c:GetEquipGroup():FilterSelect(tp,s.cfilter,1,1,nil,tp)
	Duel.SendtoGrave(g,REASON_COST)
end
function s.atkop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsFaceup() and c:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetValue(c:GetAttack()*2)
		e1:SetReset(RESETS_STANDARD_DISABLE_PHASE_END)
		c:RegisterEffect(e1)
	end
end