Category Events - New Zealand, Wellington Cerberus Games will be running a Sealed League as part of the Magic League Program. The league will last four weeks. Please note it is a fun casual league with prizes handed out at the end of the league for various categories.. Entry is $20. Every additional League booster pack is $5. Players will open three booster packs and use those boosters to build a 30-card deck. Every week, players will add a booster pack to their pool, rebuilding as often as players would like. Players can also add a booster after three losses. Matches consist of a single game. Each player gets one free mulligan at the start of the game. Additional House Rule: You may only play a same person twice each week.