Cards & Sets

Supplemental MTG releases do not share one purpose or legality rule. Here is how to evaluate Masters, Remastered, Commander, and special products.

MTG promo cards come from prereleases, store events, product purchases, judge programs, conventions, and unusual cross-promotions. This guide explains the major categories and how to identify a specific printing without mistaking every special treatment for a promo.

Use this decision framework to determine whether your Commander precon needs a few upgrades, a complete rebuild, a new commander, or no changes at all.

Bonus sheets and Special Guests can appear beside a main MTG set without belonging to it. Here is how to read their set codes, legality, rarity, and collector numbers.

Play Boosters support Draft, Sealed, and casual pack opening. Collector Boosters emphasize premium variants, while Commander decks offer a complete multiplayer deck. Here is how to choose—and where Bundles fit.

Set Boosters were designed primarily for opening, while Play Boosters combine opening appeal with support for Draft and Sealed. Here is what changed and which product fits each buying goal.

Learn how Secret Lair drops work, what their card treatments can include, how legality and reprints differ, and what to verify before ordering or buying resale.