recommend to start a necromancer as your first character because it is less reliant on items and also got you through the difficult parts of the game.
Now, personal preference and my "game design knowledge" and all that blah blah, it's meaningless here, I don't get paid for making this game, the guys working in their studios are, and they got plenty of madmen shouting thrilling ideas into their ears as it is. But I do want to point out one thing: a summoner class that cannot summon any monsters is not a concept, it's a disaster.
And also, worst of all, probably no fun at all.
Fun >>>> Balance.
Necromancer was amazing on D2.
And necromancer is a popular class. Lich is the second most popular mythic path on wrath of the righteous...