Onslaught Prerelease Sealed

Open these packs:

  1. 1x Onslaught Tournament Deck (ONS-TOURNAMENT)
  2. 3x Onslaught Draft Booster (ONS-DRAFT)

You also receive these promos, but they're not part of deck construction:

Silent Specter

Open in Sealed simulator

From cards you open and any number of basic land cards, build a 40 card deck.