Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
"Elemental HERO Bubbleman" + "Elemental HERO Clayman" Must be Fusion Summoned and cannot be Special Summoned by other ways.
--E・HERO マッドボールマン
--Elemental HERO Mudballman
local s,id=GetID()
function s.initial_effect(c)
	--fusion material
	c:EnableReviveLimit()
	Fusion.AddProcMix(c,true,true,79979666,84327329)
	--spsummon condition
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_UNCOPYABLE)
	e1:SetCode(EFFECT_SPSUMMON_CONDITION)
	e1:SetValue(aux.fuslimit)
	c:RegisterEffect(e1)
end
s.material_setcode={SET_HERO,SET_ELEMENTAL_HERO}