If you're talking about equipment, here's my recommendation: Gambit is a source of some very, very powerful weapons. The Dreaded Venture sniper rifle is a nice high impact kinetic sniper that's very easy to use, there's a Bad Omens you can get from prestiging your Gambit rank a couple times that's basically a void Hunger of Crota, it has tracking and cluster bombs. But above all those is the Breakneck auto rifle which you get from completing 40 gambit matches with auto rifles, you can get the quest from the Drifter. There's also Escalation Protocol, which is the source for the Ikelos shotgun, one of the best energy weapons in the game. Escalation Protocol is on a five week rotation with a different wave 7 boss each time, only one of those five bosses drops exclusively the shotgun, two of them drop any of the three weapons. As for Exotics, you're going to want Whisper of the Worm (Black Hammer/Spindle). It's a bit complicated how you get it, but it's currently only available Fridays through Sundays, so you might want to look up a guide and get that done. Other good exotics are D.A.R.C.I, Tractor Cannon, and Sleeper Simulant (obtained via a quest on Mars). I don't remember what class you said you were, but Hunters will want Orpheus Rigs, Celestial Nighthawk, Shards of Galanor, or Raiden Flux. Warlocks will want Lunafaction Boots, Crown of Tempests, Skull of Dire Ahamkara, Geomag Stabilizers, Starfire Protocol, or Phoenix Protocol. Titans, probably Insurmountable Skullfort, Doomfang Pauldrons, or Hallowfire Heart (RIP Titan Exotics). Of the new subclasses, I would prioritize Way of a Thousand Cuts for Hunters, Attunement of Grace for Warlocks, and Code of the Commander for Titans. Hope this helps :)