Thunder
You can discard this card; add up to 2 "Thunder Dragon" from your Deck to your hand.
local s, id, o = GetID()
function s.initial_effect(c)
	--search
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	s.discard_effect = e1
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsDiscardable()
	end
	Duel.SendtoGrave(c, REASON_COST + REASON_DISCARD)
end
function s.filter(c)
	return c:IsCode(id) and c:IsAbleToHand()
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil)
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 2, nil)
	if g:GetCount() > 0 then
		Duel.SendtoHand(g, nil, REASON_EFFECT)
		Duel.ConfirmCards(1 - tp, g)
	end
end


Thunder
You can discard this card; add up to 2 "Thunder Dragon" from your Deck to your hand.
-- Thunder
local s, id, o = GetID()
function s.initial_effect(c)
	--search
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_TOHAND + CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	s.discard_effect = e1
end
function s.cost(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsDiscardable()
	end
	Duel.SendtoGrave(c, REASON_COST + REASON_DISCARD)
end
function s.filter(c)
	return c:IsCode(id) and c:IsAbleToHand()
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.IsExistingMatchingCard(s.filter, tp, LOCATION_DECK, 0, 1, nil)
	end
	Duel.SetOperationInfo(0, CATEGORY_TOHAND, nil, 1, tp, LOCATION_DECK)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_ATOHAND)
	local g = Duel.SelectMatchingCard(tp, s.filter, tp, LOCATION_DECK, 0, 1, 2, nil)
	if g:GetCount() > 0 then
		Duel.SendtoHand(g, nil, REASON_EFFECT)
		Duel.ConfirmCards(1 - tp, g)
	end
end

