You said that Vorosh, the Hunter was "terrible". I challenge you to make a competitive decklist with him. I also want to know why you think he's so bad. Thanks.
I’ll explain why I think he’s bad, and hopefully you’ll understand why I don’t want to build a deck around him.
Vorosh is essentially a vanilla creature; all he is able to do is beat in and grow bigger. Moreover, he’s not even especially good at growing bigger; compared to all the other Planar Chaos dragons, he only kills 1 turn faster than them (6+12+18 vs. 6+6+6+6 to get to 21+ commander damage), but they all have the added bonus of sweet abilities and he has nothing. Let’s compare them for a second: