Technically, the most broken card of the year is probably Tibalt's Trickery
Honorable Mention: BFM (Big Furry Monster) B.F.M
Out of 27 booster packs I managed to pull four ex's, three Master Ball rares, five Illustration Rares, one Hyper Rare and one Secret Illustration Rare
And then you make a 4/4 flyer that's swinging for the turn as well, and if it this, that's eight damage to them plus the four, for a grand total of twelve life differential on the fourth turn after casting it on turn three
Finally, to add a little extra chip damage into the mix, Ill-Gotten Inheritance can prove to be an absolute house in long games and makes Obyra all the more potent in the process
An example of such a store is Trinity Hobby in Ottawa Ontario which sells a variety of games, trading card games, board games and figures / miniatures