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Sealed Deck

Limited Format

Sealed Deck is a limited format where each player opens 6 booster packs and builds a 40+ card deck from those cards plus basic lands. It's a test of deck building and making the most of your card pool, with no draft portion.

Sealed Deck has been a staple of Magic since the early days, used for Prereleases and major tournament day-one events.

Where to Play

TabletopMTG ArenaMagic Online
Deck Size40+ cards
Starting Life20
PlayersAny number
Game Duration~30 min build + matches
RotationNon-rotating

Deck Construction

  • Open 6 booster packs
  • Minimum 40 cards in deck
  • Basic lands provided separately
  • All opened cards form your sideboard

Gameplay

  • Build your deck from opened cards
  • Typically 17 lands, 23 spells
  • Remaining cards are your sideboard

Mulligan Rule

Draw 7 cards. You may mulligan any number of times, drawing 7 each time. After keeping, put cards equal to the number of mulligans taken on the bottom of your library.

Notes

  • Prerelease format of choice
  • No drafting—pure deck building skill
  • Good for any number of players
  • Common at Grand Prix day 1