The
Look at your opponent's hand. Select 1 card among them and return it to his/her Deck. The Deck is then shuffled.
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TODECK)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetFieldGroupCount(tp, 0, LOCATION_HAND) > 0
	end
	Duel.SetTargetPlayer(tp)
	Duel.SetOperationInfo(0, CATEGORY_TODECK, nil, 0, 1 - tp, LOCATION_HAND)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local p = Duel.GetChainInfo(0, CHAININFO_TARGET_PLAYER)
	local g = Duel.GetFieldGroup(p, 0, LOCATION_HAND)
	if g:GetCount() > 0 then
		Duel.ConfirmCards(p, g)
		Duel.Hint(HINT_SELECTMSG, p, HINTMSG_TODECK)
		local sg = g:Select(p, 1, 1, nil)
		Duel.SendtoDeck(sg, nil, SEQ_DECKSHUFFLE, REASON_EFFECT)
		Duel.ShuffleHand(1 - p)
	end
end


The
Look at your opponent's hand. Select 1 card among them and return it to his/her Deck. The Deck is then shuffled.
-- The
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TODECK)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	if chk == 0 then
		return Duel.GetFieldGroupCount(tp, 0, LOCATION_HAND) > 0
	end
	Duel.SetTargetPlayer(tp)
	Duel.SetOperationInfo(0, CATEGORY_TODECK, nil, 0, 1 - tp, LOCATION_HAND)
end
function s.activate(e, tp, eg, ep, ev, re, r, rp)
	local p = Duel.GetChainInfo(0, CHAININFO_TARGET_PLAYER)
	local g = Duel.GetFieldGroup(p, 0, LOCATION_HAND)
	if g:GetCount() > 0 then
		Duel.ConfirmCards(p, g)
		Duel.Hint(HINT_SELECTMSG, p, HINTMSG_TODECK)
		local sg = g:Select(p, 1, 1, nil)
		Duel.SendtoDeck(sg, nil, SEQ_DECKSHUFFLE, REASON_EFFECT)
		Duel.ShuffleHand(1 - p)
	end
end

