Yami
All Fiend and Spellcaster monsters on the field gain 200 ATK/DEF, also all Fairy monsters on the field lose 200 ATK/DEF.
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Atk
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_FZONE)
	e2:SetTargetRange(LOCATION_MZONE, LOCATION_MZONE)
	e2:SetValue(s.val)
	c:RegisterEffect(e2)
	--Def
	local e3 = e2:Clone()
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e3)
end
function s.val(e, c)
	local r = c:GetRace()
	if bit.band(r, RACE_FIEND + RACE_SPELLCASTER) > 0 then
		return 200
	elseif bit.band(r, RACE_FAIRY) > 0 then
		return -200
	else
		return 0
	end
end


Yami
All Fiend and Spellcaster monsters on the field gain 200 ATK/DEF, also all Fairy monsters on the field lose 200 ATK/DEF.
-- Yami
local s, id, o = GetID()
function s.initial_effect(c)
	--Activate
	local e1 = Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Atk
	local e2 = Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetRange(LOCATION_FZONE)
	e2:SetTargetRange(LOCATION_MZONE, LOCATION_MZONE)
	e2:SetValue(s.val)
	c:RegisterEffect(e2)
	--Def
	local e3 = e2:Clone()
	e3:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e3)
end
function s.val(e, c)
	local r = c:GetRace()
	if bit.band(r, RACE_FIEND + RACE_SPELLCASTER) > 0 then
		return 200
	elseif bit.band(r, RACE_FAIRY) > 0 then
		return -200
	else
		return 0
	end
end

