Cobraman
You can flip this card into face-down Defense Position once per turn during your Main Phase. When this card is flipped face-up, look at all Set Spell and Trap Cards on your opponent's side of the field and then return them to their original position.
local s, id, o = GetID()
function s.initial_effect(c)
	--turn set
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_POSITION)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--confirm
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_FLIP)
	e2:SetOperation(s.cfop)
	c:RegisterEffect(e2)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsCanTurnSet() and c:GetFlagEffect(id) == 0
	end
	c:RegisterFlagEffect(id, RESET_EVENT + RESETS_STANDARD - RESET_TURN_SET + RESET_PHASE + PHASE_END, 0, 1)
	Duel.SetOperationInfo(0, CATEGORY_POSITION, c, 1, 0, 0)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.ChangePosition(c, POS_FACEDOWN_DEFENSE)
	end
end
function s.cfop(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(Card.IsFacedown, tp, 0, LOCATION_SZONE, nil)
	if g:GetCount() > 0 then
		Duel.ConfirmCards(tp, g)
	end
end


Cobraman
You can flip this card into face-down Defense Position once per turn during your Main Phase. When this card is flipped face-up, look at all Set Spell and Trap Cards on your opponent's side of the field and then return them to their original position.
-- Cobraman
local s, id, o = GetID()
function s.initial_effect(c)
	--turn set
	local e1 = Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id, 0))
	e1:SetCategory(CATEGORY_POSITION)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--confirm
	local e2 = Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id, 1))
	e2:SetType(EFFECT_TYPE_SINGLE + EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_FLIP)
	e2:SetOperation(s.cfop)
	c:RegisterEffect(e2)
end
function s.target(e, tp, eg, ep, ev, re, r, rp, chk)
	local c = e:GetHandler()
	if chk == 0 then
		return c:IsCanTurnSet() and c:GetFlagEffect(id) == 0
	end
	c:RegisterFlagEffect(id, RESET_EVENT + RESETS_STANDARD - RESET_TURN_SET + RESET_PHASE + PHASE_END, 0, 1)
	Duel.SetOperationInfo(0, CATEGORY_POSITION, c, 1, 0, 0)
end
function s.operation(e, tp, eg, ep, ev, re, r, rp)
	local c = e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.ChangePosition(c, POS_FACEDOWN_DEFENSE)
	end
end
function s.cfop(e, tp, eg, ep, ev, re, r, rp)
	local g = Duel.GetMatchingGroup(Card.IsFacedown, tp, 0, LOCATION_SZONE, nil)
	if g:GetCount() > 0 then
		Duel.ConfirmCards(tp, g)
	end
end

