The XY BREAKthrough set is without a doubt one of the most impressive releases from the XY generation . Featuring multiple powerful Mewtwo cards and striking full art designs, this set is a goldmine for investors. In this blog post, we'll discuss the best cards from BREAKthrough — the rarest and most valuable cards in this iconic series.
1. Mewtwo EX (Secret Full Art) 163 (BREAKthrough)
This card shows Mewtwo at its full strength, with a dramatic background and powerful presence. Its secretive nature and rich art make it a collector's favorite.
- Raw value: €167
- PSA 10 value: €2,698
The rarity of this card makes it exceptionally difficult to find in top condition. It's undoubtedly one of BREAKthrough's best cards and an excellent long-term investment.

2. M Mewtwo EX (Full Art) 160 (BREAKthrough)
Mega Mewtwo EX shows off its X-shape here, with an overwhelming design and powerful aura. This card is not only beautiful but also sought after by players and collectors.
- Raw value: €130
- PSA 10 value: €2,390
If you're looking for the best BREAKthrough cards, this is a top contender. Its value is steadily increasing, especially in PSA 10, and it's relatively rare in mint condition.

3. M Mewtwo EX (Full Art) 159 (BREAKthrough)
This version shows Mewtwo in its Y-shape, with a stylish purple-blue color palette and explosive appearance. A visually striking card within the set.
- Raw value: €103
- PSA 10 value: €1,810
The combination of design, rarity, and popularity makes this one of BREAKthrough's best cards. For fans of Psychic types, this is a must-have.

4. Mewtwo EX (Secret Full Art) 164 (BREAKthrough)
This alternate secret version of Mewtwo EX shows the power of the legendary Pokémon in all its glory, with a unique and rare design.
- Raw value: €103
- PSA 10 value: €2,600
This card is often underrated, but it's definitely one of BREAKthrough's best. Its low draw rate and high PSA 10 value make it a smart investment.

5. M Houndoom EX (Full Art) 154 (BREAKthrough)
Houndoom takes center stage in this card, with fiery details and a striking orange-yellow background. A must-have for fans of Dark and Fire types.
- Raw value: €71
- PSA 10 value: €1,200
While Houndoom is less well-known than Mewtwo, this card is steadily increasing in value. It's definitely one of the best cards from BREAKthrough—visually powerful and appealing to investors.

Why These Cards Are Top Investments
The best cards in BREAKthrough are all powerful EX or Mega cards with unique full art or secret designs. Their rarity, visual appeal, and high PSA 10 prices make them excellent investments. Anyone looking to invest in the BREAKthrough set would be wise to focus on these top 5 cards.