
Featured artist05 Nov 2026

Officially sanctioned by Curiosa
Siege at the Core 2026 is the final European Grand Contest of the year, an international weekend that brings together players from across Europe and beyond.
The date is 100% locked in. No changes this year.
The Weekend
Friday
December 4
Open the weekend with a fast-paced Booster Draft with one pack each of Beta, Arthurian Legends and Gothic. Crack packs, build a deck on the spot, and play it out.
Saturday
December 5
The main event. Bring your sharpest constructed deck to play for the Grand Contest top prizes.
Sunday
December 6
Close the weekend with a fresh sealed event, six packs of Gothic. New pools, new chances at the spoils.

Tournament update
Frost Mage vs Lavamancer remains fully legal at the Grand Contest, and we're actively exploring ways to make the new cards as accessible as possible. No promises yet, but we're doing everything we can!
Prizes
Every 2026 Grand Contest gets prize support from Curiosa. We add our own on top, for the Draft, the Grand Contest, and the Sealed.
Alters by Pietro Desirò
For the Grand Contest top 4.
Gothic Print Sheets
For the winners of the Grand Contest and the Sealed.
Silver Bullet promos
Foil for the winner of each event, non-foil further down the standings.
Boosters
For the Grand Contest top 16 and the Draft and Sealed top 8.
Grey Wolves and Croaking Swamp promos
For every Grand Contest player.
As far as provided by Erik's Curiosa
A goodie bag
For every player, one per person for the weekend.
Plus a raffle at each event, with board games, posters, wine, and more.
Featured Artists
As with previous editions, we are bringing in Sorcery artists throughout the weekend.
The Venue
The same red-brick industrial landmark that hosted our previous two editions of Siege at the Core. Tall arched windows, a bright tournament floor, just minutes from Brussels Airport.
55-59 Fabriekstraat
1930 Zaventem
Belgium

Stay in the Know
Registration is open. Want updates on artists, prizes and the schedule too? Leave your email and we'll keep you posted.
Look Back
Last year's tournament weekend, the kind of room we're building for this December.
All Siege at the Core updates land on Discord first: registration windows, side events, travel tips, artist line-up.
Join our DiscordGet Involved
An event of this size only works with the people behind it. If you want to be part of making the weekend run, we'd love to hear from you.
Help us run clean rounds on the floor - rules questions, deck checks, calls.
Bring your brand to one of the year's most visible European Sorcery moments.
Welcome players, run side events, lend a hand at registration, set up and tear down.
Tell us which role suits you and we'll get back with details.