a lowlife who will never amount to anything
depends on when you stopped playing and how big your collection is. There were a lot of powerful cards introduced this year that became staples in many archetypes, many of them epics and legendaries but there are still a lot of relevant cards from the evergreen set despite blizz's every intention to nerf them so if you have a lot of the classic cards i'd say that makes things a lot easier.I plan on getting back into the game tonight with ZERO intention of buying packs or ANY expansions.
How bored/annoyed can/should I expect to be?
It's also worth mentioning that the cost of building a tier 1 deck has likely gone up significantly since you last played averaging around 10k dust so proceed with caution.