Arcanum Sanctorum runs a Pokémon TCG prerelease for the Mega Evolution: Delta Reign expansion on Saturday, October 24, 2026, at 3994 N. Oracle Road, Tucson. Registration opens at 4 p.m. and closes at 4:45 p.m.; the tournament begins at 5 p.m.
The entry fee is $35. Each player gets a Build and Battle kit to construct a 40-card deck, plays three rounds of Swiss, and receives three additional booster packs after round three regardless of record. Participation prizes go to all finishers across the three age divisions.
A Pokémon Trainer ID is required for each participant. Tickets are sold on the store's website. This is the first of three Delta Reign prerelease sessions the store is running that week; the others are October 30 and October 31.