343 wrote: I got the battle for macragge from a yard sale and I wanted to know should I play as space marines or tyranid. I'm new so any help would be great. I don't have lots of money 115 if you could give me a army list that would work with my price that would be great codex included.
Well, I play Nids, so I am a little bit less than Neutral

Nids of course! Now "for reals", Space marines can build you a decent army, and you should be able to get figures (used) cheaply. They are not considered "top tier" right now, but things can change.
Nids were considered "meh" till the second dataslate sparked some enthusiasm. No reason to think
SM won't experiance the same.
SM's also get a wide range of allies, and that also helps hold cost down, as a small lot on E-bay can turn into a sturdy part of your army.
No matter which you choose, you can swap the others for more of what you go with, win, win!