What is Core Set 2021 Promos (PM21)?

PM21 is the official promo set associated with Core Set 2021 (M21), released in July 2020. It contains 137 cards — alternate-art, foil, and specially stamped versions of M21 cards distributed through Bundles, prerelease events, Buy-a-Box promotions, and other channels rather than regular booster packs.

What is the Bundle promo for Core Set 2021?

The Bundle promo for Core Set 2021 is Pack Leader, a white Dog Creature card included as a foil alternate-art card inside M21 Bundle boxes. Wizards began including Bundle promos starting with Core Set 2020.

Are Core Set 2021 Promo cards legal in the same formats as regular M21 cards?

Yes. A card's format legality is determined by its name and the set it's associated with, not its promo treatment. PM21 promo versions of M21 cards are legal in exactly the same formats as their standard counterparts.

How many cards are in Core Set 2021 Promos?

Core Set 2021 Promos (PM21) contains 137 cards in total, covering the various promotional printings distributed during the M21 release window.

What's the difference between a PM21 card and an M21 card?

Rules-wise, there's no difference — they're the same card. PM21 cards are alternate printings that may have different frame treatments, foil finishes, or prerelease stamps. The set code PM21 exists so that collection trackers and databases can distinguish promo versions from standard booster copies.

Core Set 2021 Promos (PM21): Complete Guide

Q: How do I get Core Set 2021 Promo cards?

PM21 cards were distributed through several channels: Bundle boxes (which included Pack Leader), prerelease events, Buy-a-Box promotions, and other special programs tied to the Core Set 2021 release in July 2020. They were not available in regular booster packs.

Promo sets don't always get the spotlight, but they're a meaningful part of how Wizards of the Coast distributes special printings alongside a main release. Core Set 2021 Promos (set code: PM21) is the companion promo set to Core Set 2021, which released in July 2020. It contains 137 cards - alternate printings, foil treatments, and special versions of cards found in the main M21 set, distributed through a variety of channels rather than booster packs.

What is Core Set 2021 Promos?

Core Set 2021 Promos (PM21) is the official promo set associated with Core Set 2021 (M21), released in July 2020. Like all promo sets, PM21 isn't something you crack open in a draft pod - these cards come from Bundle boxes, prerelease events, Buy-a-Box promotions, and other special distribution channels. The set contains 137 cards in total, covering a wide range of alternate-frame and foil treatments tied to the M21 release window.

Core Set 2021 itself was a return to the annual core set tradition that had been on hiatus, and M21 had a particular focus on Teferi - one of the most beloved and mechanically interesting planeswalkers in Magic's history. The promo set reflects that same card pool.

The Bundle promo: Pack Leader

One of the most visible cards in PM21 is Pack Leader, which served as the Bundle promo for Core Set 2021.

Starting with Core Set 2020 in July 2019, Wizards began including a foil alternate-art promo card inside each Bundle box - a nice incentive for players who wanted to pick up a stack of packs alongside some accessories. For M21, that slot went to Pack Leader, a white Creature that buffs your Dogs and gives them a form of damage prevention.

Pack Leader as the Bundle promo is a fitting choice. Core Set 2021 leaned into creature-type tribal themes, and Dogs - yes, as a distinct creature type - got meaningful support in M21. Dropping a foil alternate-art Pack Leader into a Bundle was exactly the kind of reward that tribal enthusiasts would appreciate finding tucked inside the box.

For context, here's where Pack Leader sits in the sequence of Bundle promos around that era:

| Set | Release | Bundle Promo | |---|---|---| | Core Set 2020 | July 2019 | Chandra's Regulator | | Throne of Eldraine | October 2019 | Piper of the Swarm | | Theros Beyond Death | January 2020 | Arasta of the Endless Web | | Ikoria: Lair of Behemoths | April 2020 | Colossification | | Core Set 2021 | July 2020 | Pack Leader | | Zendikar Rising | September 2020 | Charix, the Raging Isle |

How promo sets work

It's worth a quick note on what PM21 actually is for players who are newer to how Magic organises its printings.

Wizards uses separate set codes for promo versions of cards so that card databases and collection trackers can distinguish a foil prerelease-stamped copy from a regular booster copy. A card with the PM21 set code is the same card rules-wise as its M21 counterpart - same text, same art in some cases - but it was obtained through a different channel and often has a different frame treatment, foil finish, or stamp.

Format check: Cards in PM21 are legal in exactly the same formats as their M21 equivalents. The promo printing doesn't change legality. If a card rotated out of Standard, the PM21 version rotated too.

The 137 cards across PM21 span that range of distribution types: prerelease promos, Buy-a-Box cards, Bundle promos like Pack Leader, and other promotional printings tied to the M21 release.

Core Set 2021 Promos in context

M21 released during a memorable and unusual period for Magic - mid-2020, when in-store events had been significantly disrupted. That context shaped how some of these promos were distributed, with Wizards adapting prerelease and promotional programs to accommodate a mix of in-store and at-home play.

The set itself is remembered fondly for a strong card pool that had real impact across multiple formats. Naturally, the promo versions of those impactful cards - with their alternate art or foil treatments - became sought-after collector pieces alongside their regular counterparts.

If you're looking to explore what M21 brought to the table mechanically and competitively, the main Core Set 2021 article covers the full picture. PM21 is the collector's and completionist's companion to that story: the same great cards, dressed up a little differently. ✨