If your goal is to get as many cards as possible, OPC is the way to go. At 600 cards plus 30 or 50 more issued in Upper Deck Series 2 it's the largest set of the year. It also includes team logo cards but they are short printed. It also has the longest history... O-Pee-Chee has been producing cards since the 1930s, with a couple of breaks in there unfortunately. (It's actually the oldest card company still in the hobby, they contract with Upper Deck to produce the cards)
Upper Deck is a great set as well. It's released in two series, series 1 photos were taken last year but series 2 will have photos taken this year. Usually, not sure if this year will be messed up by the pandemic.
If you are brand new to the sport then I think MVP should be your best bet, for the simple reason that each card has a pronunciation guide on the back. Some of the NHL names are not pronounced how they are spelled. For instance Byfuglien is pronounced "Bufflin" although he retired and won't be in this year's set.
I started collecting hockey due to a thread on this very forum back in 2016. Now it's taken over for me. So be prepared in case it does it to you as well
VERY slow trading due to health problems. Not transferrable so safe to trade with, just moving is painful and can't always access the cards.
Cardboard History My COMC
New Collection Website: Cardboard History Gallery (Still under construction)
Tips on how to make your scans look like the card does in hand (No more washed out, fuzzy scans!):