I would have to refer you to imnothammer’s comment below for a replacement. Devilsaur egg would be good with taunt affects (I.e. sunfury protector or defender of argus) or the buffs that paladin or druid offer but doesn’t work as well with warrior. Essentially you’d have to kill it yourself everyone cause your opponent won’t target it otherwise.

I would suggest infested tauren since it fits the same 4 mana slot and provides more support in game than a 0/3 egg.