Have you played competitively with this deck?

I don't know how competitive Pauper is, as it's usually just a way to use up crappy cards, so no. A user pretickle said he was going to bring this to FNM, how'd you do?

I playtested my pauper deck, Pennies for Pokes (Boros Pauper), against a couple semi-competitive to competitive decks and it did OK for the first couple minutes. Eventually, a money card or two hits the board and it's GG from there. Like Zicca said, it's really just a fun way to use the other 11 cards from your booster pack.

May I recommend maybe a Soldier of the Pantheon rather than those Cloudfin Raptor ?

and also a Noble Hierarch as well?

You're missing the point... it's Standard and Pauper, hassankachal, meaning only common cards, and only standard, aka type 2. Those would be good suggestions otherwise.

Is Cloudfin Raptor worthwhile in here? It will only ever get to be 1/2

He's just helpful by flying and 1/2 is as big as anything is going to get naturally. Yoked Ox when brought in would make him bigger. There's not a ton of options.

Forced Adaptation could make Cloudfin Raptor bigger than 1/2, but he COULD go as high as a 3/4 through evolution. There's also Burst of Strength for extra counters, as well as Ethereal Armor and temporarily Ranger's Guile to make it bigger still. Without more evolution, devotion to blue, or Bioshift with other counter sources, it would seem a bit lackluster, minus its elusiveness through flying. I'd say if you were facing a deck with other flyers, your best bet would be Plummet instead, and only think of the Raptor as a slow flying damage plinker (not fit for a speed deck).

Yeah, but those enchantments would work on something like Spire Tracer or any other thing like that

Do you think I should move this to just G/W? I mean you're right with saying I can enchant other creatures the same.

I would probably just go GW, and use Charging Badger in place of the Cloudfin Raptor . or if you're really daring, you could do red and have Madcap Skills