The 10 Most Expensive Cards in BREAKthrough
The BREAKthrough set, released in November 2015, marked a pivotal moment in the Pokémon Trading Card Game's history, introducing us to the Psychic-type powerhouse, Mewtwo, in an array of spectacular forms. This set comes from the XY series, and if you think that era was all about Mega Evolutions and new mechanics, you’re absolutely right! BREAKthrough featured the intriguing BREAK mechanic, allowing players to enhance certain Pokémon beyond their usual limits, and it was packed with fan-favorite characters and stunning artwork. With the rising popularity of Pokémon due to the resurgence of the franchise and online play, BREAKthrough became an instant classic for both collectors and duelists. For collectors, this set is a gold mine, showcasing some of the most visually appealing cards ever created. The overall market for BREAKthrough has fluctuated, with collectors scrambling to get their hands on the best Mewtwo variants, which have driven prices sky-high. However, while the Mewtwo cards steal the show, other hidden gems have emerged, making this set one worth exploring if you’re looking to invest or just enjoy the nostalgia of those cards we grew up with. Now, let’s dive into the big hitters of this set.
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Mewtwo-EX
#163 · Rare Secret · Holofoil
Market Price

Mewtwo-EX (#163) is the crown jewel of the BREAKthrough set, and with a price tag of $159.74, it’s no surprise why! As a Rare Secret card, it’s in high demand, driven by both nostalgia and competitive play. The artwork is a striking display of Mewtwo in a dynamic pose, radiating power and energy, expertly illustrated by the talented 5ban Graphics. The visual appeal here isn’t just about flash — it captures Mewtwo’s essence perfectly. Competitive players adore this card; its ability to dish out serious damage with its ‘Psydrive’ attack makes it a staple in Psychic-type decks. Over the years, the price has consistently climbed as it became a sought-after piece for both collectors and competitive players. Pulling this from a pack? Good luck! They’re notoriously rare, so if you’ve got one, keep it close. Bottom line: if you can swing it, this card is a solid long-term investment and a piece of Pokémon history that you don’t want to miss.
Mewtwo-EX
#164 · Rare Secret · Holofoil
Market Price

Mewtwo-EX (#164) isn’t far behind, commanding a hefty $153.01 price tag. Visually, this card showcases a stunning angle of Mewtwo, emphasizing its psychic prowess, making it a fan favorite. Just like its counterpart (#163), it’s also a Rare Secret, and collectors are clamoring for it in pristine condition. The competitive relevance is through the roof; its synergy with the overall Psychic archetypes makes it a must-have for any serious player. Mewtwo decks are common in tournament play, often paired with cards that enhance its attack potential. Historically, this card has seen some wild price fluctuations, but it has remained a sought-after piece, indicating that demand is strong. With pull rates being low, finding one in packs is like finding a shiny Pokémon in the wild. If you’re looking to invest in cards that have a solid chance of appreciating in value, this one should be on your radar!
M Mewtwo-EX
#160 · Rare Ultra · Holofoil
Market Price

M Mewtwo-EX (#160) comes in hot at $152.22, showing why Mega Evolutions are still a fan-favorite mechanic. This card's artwork is a glorious representation of Mewtwo's formidable strength, beautifully drawn by 5ban Graphics. The competitive scene is where this card truly shines; it’s a powerhouse in the right deck, especially when combined with other Psychic Pokémon for a devastating combo. The price has had its ups and downs, but its current trend suggests it’s still finding its footing, meaning savvy investors might snag a good deal. Pulling this card isn’t exactly easy, which only adds to its allure and demand. If you’re a collector, this card is not just a piece of art; it's a game-changer. So if you’re fortunate enough to own one, treat it like the treasure it is. Keep it in mint condition, and watch that value continue to rise!
M Mewtwo-EX
#159 · Rare Ultra · Holofoil
Market Price

Coming in at $129.57, M Mewtwo-EX (#159) is a close contender and offers a slightly different take on the Mega Evolution concept. The artwork captures Mewtwo’s mystique while showing off its powerful psychic abilities. As a Rare Ultra, this card appeals to both players and collectors seeking to complete their sets. In terms of competitive play, it remains relevant, particularly in Psychic decks that aim to overwhelm opponents with raw power and precision attacks. The market has seen this card's price inch upward over time, indicating a steady demand among fans who appreciate its role in the Pokémon universe. With pull rates being a bit higher than the other Mewtwo variants, it might be easier to find, but don't let that fool you — its value can still pack a punch. If you can grab one at a decent price, you might want to add it to your collection while it’s still relatively affordable.
Mewtwo-EX
#158 · Rare Ultra · Holofoil
Market Price

Mewtwo-EX (#158) makes an appearance at $67.77, and while it may not be breaking the bank like its counterparts, it still holds significant value. This card is another Rare Ultra, showcasing Mewtwo in a compelling stance that reflects its psychic might, complete with dramatic coloring. Competitive players often overlook this card in favor of the more dominant EX variants, but that doesn’t diminish its appeal. The price has fluctuated but now seems stable, making it an accessible option for collectors or players looking to bolster their Psychic decks. Pull rates are relatively fair, allowing more players to potentially snag one from booster packs. If you’re on the hunt for Mewtwo-themed cards, don’t sleep on this one; it might just surprise you in the future. Collectors often see value in cards that others deem less desirable, so keep an eye on this one!
M Houndoom-EX
#154 · Rare Ultra · Holofoil
Market Price

Houndoom-EX (#154) stands proud at $56.56 and offers a thrilling alternative to the Mewtwo dominance in this set. The artwork is a fierce illustration of Houndoom, set against a haunting background, which really captures the essence of this Dark-type Pokémon. As a Rare Ultra, it has its fair share of collectors, especially for those who love the spooky vibes. Competitive players appreciate its dark-themed decks, although it doesn’t have the same impact on the meta as the Mewtwo cards. Its price has seen a tantalizing rise, especially as collectors become nostalgic for the Dark-type Pokémon of yesteryear. Pull rates are slightly more favorable, making it accessible for both collectors and players alike. If you can find one, definitely consider adding it to your collection — you might just end up with a hidden gem that appreciates over time!
Mewtwo-EX
#157 · Rare Ultra · Holofoil
Market Price

Mewtwo-EX (#157) has a value of $52.51, making it the lower tier of the Mewtwo variants, but trust me, that doesn’t make it any less interesting. The artwork here is again stunning, showing Mewtwo in an intense psychic burst that fans eat up. As a Rare Ultra, it still commands a loyal following among collectors. When it comes to competitive play, it often plays second fiddle to the more powerful Mewtwo EX cards, but it still has its place in niche Psychic-type decks. The price has stabilized recently, making this a good time for collectors to pick it up before it potentially spikes in interest again. Pulling this card is relatively common compared to its more valuable counterparts, which means more players can add it to their collection. If you’re a Mewtwo fan, this is a solid addition, especially if you’re trying to complete a themed collection.
Gengar
#60 · Rare Holo · Reverse Holofoil
Market Price

Gengar (#60) jumps in at $33.98 for the Reverse Holofoil version, and wow, what a card this is! The artwork is both eerie and captivating, capturing Gengar’s mischievous spirit perfectly. As a Rare Holo, it appeals to collectors who love Ghost-types, and Gengar has always been a fan favorite. Though it may not see much competitive play in the current meta, its value lies in its nostalgia and unique artwork. The price has shown resilience, particularly among collectors who appreciate Gengar’s iconic status in the franchise. Pull rates are fair, making it easier for fans to snag one from packs. If you’re dabbling in nostalgia or love Ghost-types, don’t miss out on this gem; it’s got potential as a long-term hold in the market. Keep it in mint condition, and you might just see that value climb!
M Mewtwo-EX
#64 · Rare Holo EX · Holofoil
Market Price

M Mewtwo-EX (#64) is an interesting card priced at $33.93, and it’s a Rare Holo EX that has managed to hold its ground over the years. The artwork captures Mewtwo’s ethereal presence while showcasing its strength in a stunning design that pops. This card finds a sweet spot between collector appeal and competitive relevance, though it hasn’t quite reached the heights of its more expensive relatives. Its price has remained relatively stable, which can make it a safe bet for collectors looking to add some variety to their portfolios. However, since it’s more accessible in terms of pull rates, it might not be the best investment option. Still, if you’re a fan, it’s a solid addition to any Mewtwo collection, and its nostalgic value should not be underestimated in the long run.
Houndoom-EX
#153 · Rare Ultra · Holofoil
Market Price

Rounding out our list is Houndoom-EX (#153), valued at $33.34, and while it may not command the same prices as the Mewtwo cards, there’s a lot to love here. The artwork is vibrant, showcasing Houndoom in all its glory, which resonates with fans of Dark-types. As a Rare Ultra, it certainly has collector appeal, particularly for those who have a soft spot for the spooky breeds. While this card doesn’t dominate the competitive scene, it still garners interest from thematic decks focused on Dark-type Pokémon. Its price has remained stable, and with pull rates being fairly reasonable, it has made its way into many collectors' hands. If you’re looking for an affordable card to fill out your collection or just love Houndoom, this one is a must-have. Don't underestimate its charm — it might be a hidden gem in the long run!
The BREAKthrough set is a treasure trove for collectors and players alike, with Mewtwo dominating the high-end market and drawing both nostalgic collectors and strategic players. While the top-tier Mewtwo cards are undoubtedly valuable, some cards like Gengar and Houndoom-EX offer more accessible price points and can appeal to a broader range of collectors. If you're looking to invest, consider snagging cards that have shown stability and consistent demand, especially those that might currently be underrated. Keep an eye on the market trends, as Pokémon card values can swing like a pendulum. Overall, this set is worth exploring, whether you're looking to rip open packs or search for specific cards. Just remember: the thrill of the hunt is part of the fun, and who knows? You might just bag a card that skyrockets in value — or at the very least, one that brings back fond memories of your Pokémon journey!
Prices updated automatically. Last article refresh: April 8, 2026
Market prices sourced from TCGPlayer. Affiliate links may earn us a commission at no cost to you.
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