A plain-English guide to the modern card types people chase, and how to tell which ones hold value once the hype cools.
If you've spent any time around modern cards you've heard the names shouted across a card show floor. Kaboom. Downtown. Color Blast. They get said like everyone already knows what they mean, and the prices attached to them are big enough that guessing is expensive.
Here's what they actually are, and more importantly, how to think about whether one is worth what someone is asking.
A Kaboom is a Panini insert, most associated with Absolute, built around a comic-book explosion behind the player. What makes them valuable isn't the art, it's the print run: there are very few per case compared to everything else in the product. That scarcity plus a recognisable design is a powerful combination, and it's why a Kaboom can be worth more than every other card in the box put together.
The trap with Kabooms is timing. When a new Absolute product drops, Kabooms of hot rookies spike immediately as case breaks hit and supply is still thin. Prices from new products often fall 20–30% once the initial hype fades and more copies reach the market. Buying during that first spike and holding is how people lose money on a card that everyone agrees is great.
Downtown cards place the player against a stylised version of their team's city skyline. They're short-printed and generally not listed in the pack odds, which makes them case hits rather than something you can plan on pulling. Because they're tied to a city as much as a player, Downtowns of players in big markets tend to carry a premium beyond what the player's stats justify.
Color Blast puts the player over an explosion of paint-splash colour. They are among the shortest-printed inserts Panini makes, and the top examples for marquee players sit alongside numbered autographs in price despite having no signature at all. That's worth pausing on: you're paying entirely for scarcity and design, with no autograph underneath to hold a floor.
A parallel is the same card in a different colour or finish, usually numbered and printed in smaller quantities. A patch card contains a piece of material, and the value swings enormously depending on whether the patch is a plain single-colour swatch or a multi-colour piece with a logo. An autograph is signed, and whether it was signed directly on the card or on a clear sticker applied afterwards changes the price more than most new collectors expect.
Every one of the 75 card types in the full guide is rated on four separate numbers rather than given one grade, because a single grade hides the thing you need to know.
| Score | What it tells you |
|---|---|
| Appreciation | How much room the type has to gain value from here |
| Liquidity | How quickly you could actually sell it if you needed to |
| Accessibility | Whether you can realistically buy in at a fair price |
| Risk | How badly it could go wrong, stated plainly |
A type with high appreciation and low liquidity is a long project, not a flip. One with a great appreciation score and an accessibility score of 20 is a card you'll spend months hunting and probably overpay for. Both of those facts disappear if you compress everything into a single letter grade.
Buy within hours of case breaks and sell inside 2–4 weeks while demand peaks. Don't hold — Kaboom prices from new products often dip 20–30% after the initial hype fades before stabilising. Works best for the number one rookie in the class. Note the accessibility score of 20: getting one at a fair price is the hard part of this play.
A Kaboom is an insert card found in Panini products, best known from Absolute. The design is a comic-book style explosion behind the player, and they're printed in very small numbers relative to the rest of the set, which is why a Kaboom of a popular player can be worth hundreds or thousands of times more than a base card from the same box.
Downtown is another Panini insert, showing the player against a stylised city skyline tied to their team's city. They're short-printed and not listed on the pack odds of most products, which makes them case hits. Downtowns of star rookies are some of the most chased modern inserts.
Color Blast is a Panini insert where the player is drawn over an explosion of paint-splash colour. Like Kabooms and Downtowns they're extremely short printed, and the top-end ones for marquee players sit among the most expensive non-autographed modern cards.
Neither is automatically better. Short-printed inserts like Kabooms depend almost entirely on the player staying popular, and they can fall hard when hype fades. Numbered autographs have a floor set by scarcity and the signature itself, but they're often far more expensive to get into. The honest answer is that it depends on the specific card, the specific player and what you paid — which is the whole reason we score them separately on appreciation, liquidity, accessibility and risk.
A parallel is the same card printed in a different colour or finish, usually in a smaller quantity, and often numbered. A base card might be unlimited, while its gold parallel is numbered to 10. Parallels are where most of the value in modern sets lives, but the low-numbered ones are also where people most often overpay.
Related: which sealed boxes actually return more than they cost and how to spot a breakout before the cards move.