Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
1 "Elemental HERO" monster + 1 DARK monster Must be Fusion Summoned. Gains 100 ATK for each "Elemental HERO" monster in your GY.
--E・HERO エスクリダオ
--Elemental HERO Escuridao
local s,id=GetID()
function s.initial_effect(c)
	--fusion material
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,aux.FilterBoolFunctionEx(Card.IsSetCard,SET_ELEMENTAL_HERO),aux.FilterBoolFunctionEx(Card.IsAttribute,ATTRIBUTE_DARK))
	--spsummon condition
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e2:SetCode(EFFECT_SPSUMMON_CONDITION)
	e2:SetValue(aux.fuslimit)
	c:RegisterEffect(e2)
	--atkup
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCode(EFFECT_UPDATE_ATTACK)
	e3:SetValue(s.atkup)
	c:RegisterEffect(e3)
end
s.listed_series={SET_ELEMENTAL_HERO}
s.material_setcode={SET_HERO,SET_ELEMENTAL_HERO}
function s.atkup(e,c)
	return Duel.GetMatchingGroupCount(Card.IsSetCard,c:GetControler(),LOCATION_GRAVE,0,nil,SET_ELEMENTAL_HERO)*100
end