Play your tournament decks during regular group games is cause for ganging up. Nobody likes to be direct damaged to death. You won't either once we get through with you, flame boy. Rules controversies are settled by majority vote. And no, we're not impressed by your DCI Level V Judge certification.
New players are always welcome.
If you're just starting out, come on down. Somebody or other is usually happy to get rid of a bunch of commons. Trading is also welcome.