Ally
If this card battles a LIGHT monster, it gains 200 ATK during the Damage Step only.
local s, id, o = GetID()
function s.initial_effect(c)
	--atkup
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.condtion)
	e1:SetValue(200)
	c:RegisterEffect(e1)
end
function s.condtion(e)
	local ph = Duel.GetCurrentPhase()
	if not (ph == PHASE_DAMAGE or ph == PHASE_DAMAGE_CAL) then
		return false
	end
	local a = Duel.GetAttacker()
	local d = Duel.GetAttackTarget()
	return (a == e:GetHandler() and d and d:IsFaceup() and d:IsAttribute(ATTRIBUTE_LIGHT)) or (d == e:GetHandler() and a:IsAttribute(ATTRIBUTE_LIGHT))
end


Ally
If this card battles a LIGHT monster, it gains 200 ATK during the Damage Step only.
-- Ally
local s, id, o = GetID()
function s.initial_effect(c)
	--atkup
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.condtion)
	e1:SetValue(200)
	c:RegisterEffect(e1)
end
function s.condtion(e)
	local ph = Duel.GetCurrentPhase()
	if not (ph == PHASE_DAMAGE or ph == PHASE_DAMAGE_CAL) then
		return false
	end
	local a = Duel.GetAttacker()
	local d = Duel.GetAttackTarget()
	return (a == e:GetHandler() and d and d:IsFaceup() and d:IsAttribute(ATTRIBUTE_LIGHT)) or (d == e:GetHandler() and a:IsAttribute(ATTRIBUTE_LIGHT))
end

