The Friday session of Arcanum Sanctorum's Mega Evolution: Delta Reign prerelease is October 30, 2026, at 3994 N. Oracle Road, Tucson, AZ 85705. Registration runs 5 p.m. to 5:45 p.m. and play begins at 6 p.m.
Entry is $35 and includes a Build and Battle kit for a 40-card deck. Players compete in three Swiss rounds and collect three more booster packs when round three ends, win or lose. All finishers in each of the three age divisions receive participation prizes.
Each participant needs a Pokémon Trainer ID before the event. Tickets are on the store's website.