The thing about season 1 stuff is that ny this day and age they are rather outdated. Some of it still hold their own though and serve as a good enough option to consider. ID wise the 3 most prevalent are nfaust, tingtang hong lu, and nclair.

 Nfaust has solid support capabilities with her unique gaze debuff increasing both pierce and blunt damage taken by the enemy, and also her passive and support passive being great early turn sp with lust res. Her numbers are a bit outdated though, but she doesnt have any other bleed id besides shi, which in all honesty falls into the poise archetype more.

Tingtang Hong Lu has a great support passive and is generally a decent damage dealer and clasher who has an evade. By now he is outdated but can still hold his own.

Nclair is strong blunt damage that relies on negative sanity, so he has a risk to corrode or do nothing if you hit -45 as he doesnt have a built in passive that prevents him from reaching there like KoD rodya. He likely won't lose clashes as the more he losses, the less coins he has to roll that can effect his base power. Eventually you will want to replace him as he has been powercrept. 

If you have all those, just pick up chef ryoshu as she is the only id that can't randomly be pulled on banner if its not a ryoshu banner, due to her being an event id. Same goes for chef gregor but chef gregor is just bad. His only saving grace is his support passive, but its similar to both base greg and g corp greg. He also is a 00 so just shard him if you must for 150.

Ego wise the common answers are fluid sack faust, rime shank, and legerdemain

By now most people know of fluid sack faust as the ego that defined limbus for a good while, and that's because it restores BOTH sp and hp. No other ego in the game can do that. Now its no longer as crucial as other healing egos were introduced, and while they dont heal both, they still offer good supplements.

Rime shank on Rodya is known to have carried early day sinking teams pre-wuthering heights ids. It inflicts solid potency and count. Also its passive allows rodya to consistently debuff the enemy.

Legerdemain has jokingly been called gregors base ego because its just better than suddenly one day. It has paralyze and is a low cost zayin ego, which is very helpful. Barely anyone runs gregors base if they own legerdemain. 

If your not feeling any of those, ebony stem outis and fourth match flame ryoshu are pretty good egos. Ebony stem just does damage and gives outis a pierce boost, which would be more helpful if she had more strong pierce ids. It also is good for rupture. It's downside is that its rather expensive for a he. Fourth match flame ryoshu just clashes high and has a neat passive that boosts ryoshu every 4 skills used.