1. Flying carpet says you can discard it to automatically succeed at a Botomless Pit or a Pit Trap test. Thing in, I've went through every card in the game and there's no such thing as a Pit Trap. And yes I have all cards, I counted them. Mistype? Refecernce to future expansion?

2. As it stands, Rune of Opening is strictly worse than Rune of Teleportation. There isn't a single thing you can do with ROO that you can't do with ROT. So I suggest the following wording: 

Discard after failing a test to open a Portcullis. Treat it as if you succeeded instead.
Discard after drawing a Door card that isn't Door Opens. Treat it as Door Opens instead.

I haven't found a Pit Trap in my game either, but there's a slim possibility it might be missing (?), since I was missing a couple of combat cards.

You're notion for ROO is much more sensible than the card.

Did you even read my post? I counter every card and checked with the rules that I have it all. Twice. I don't miss anything. The fact that you do is irrelevant.

Pit trap is a reference to the Bottomless Pit dungeon tile