Returning Player Help Requested [Discussion]

Hey all! I used to play this game very frequently for about a year and a half but eventually got burnt out between playing all the time and real life. Well, real life has settled down a little bit and I felt the desire to play DuelLinks again! So with that being said, I fully expect the meta to be entirely different from what it was when I played (think 6 Sam, aromage, masked heroes, aliens) and could possibly include Synchro monsters (which I don't understand at all). So I have a few old meta decks that probably don't compete anymore. My questions are; What new decks should I go for, what new forms of farming/grinding do I need to know about, and what characters should I push to unlock? I remember this community being pretty solid back in the day so I'll thank you all for your help in advance! All advice is appreciated, even if you can think of things I didn't ask about!

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P.S.

I spent all the gems I had (5000) on the Lords of Shining box since it seems Darklords are tier 0 rn (from what I've read on duellinksmeta.com). So while I hope to hear that was a good idea, please let me know if it wasn't. I'm sort of regretting doing that before asking here because I have a feeling you guys could have given me some advice for a cheaper first deck to build... I got 1 Lyla, 2 Ixchel, 3 superbia, 6 nastens, 3 DL contacts, and 3 sanctified darklords so far for the deck I was basing my build off of. Again, please let me know if I'm on the right track or not because I really want to get back into this game! I would like to have a decently competitive PVP deck in the shortest amount of time possible so I can get back into the grind! Thanks again all!