
XY series
BKTBREAKthrough is a Pokémon TCG expansion from the XY series. It was released on November 4, 2015. Its set code is BKT. The numbered set contains 162 cards. Including 2 secret rares brings the full card list to 165. Counting the finishes recorded in PoBinder gives 303 slots for a master checklist. Among cards with available market prices, the two highest-priced are Mewtwo EX at about $208.15 and Mewtwo EX at about $204.76. Using available market prices, the base-set completion estimate is $989.97. The current estimate for a master set is $1,737.86. The median available card price is $0.38. Prices are available for 164 of 165 catalog cards; completion estimates may be incomplete.
Mewtwo EX#163 · $208.15
Heavy Boots#141 · $0.14Prices from TCGplayer · updated today
The historical TCGplayer market cost of completing the numbered base set.
Market-price estimate, methodology v1. Base selects the cheapest priced collectible finish for each non-secret card; Master sums each exact collectible finish. Marketplace listing lows are not used.
Create a binder for BREAKthrough and choose the printings you want to collect. Mark each card as you get it.
Mewtwo EXSecret Rare·#163/162$208.15
Mewtwo EXSecret Rare·#164/162$204.76
M Mewtwo EXUltra Rare·#160/162$148.01
M Mewtwo EXUltra Rare·#159/162$137.26
Mewtwo EXUltra Rare·#158/162$91.51
Mewtwo EXUltra Rare·#157/162$81.67
M Houndoom EXUltra Rare·#154/162$57.03
GengarRare·#60/162$45.97
M Mewtwo EXUltra Rare·#63/162$42.28
Houndoom EXUltra Rare·#153/162$38.86Sealed products are priced separately and are not included in the set value.

XY BREAKthrough Booster Box
$3,248.29
BREAKthrough Booster Pack Art Bundle [Set of 4]
$279.95
Elite Trainer Box [Mewtwo Y]
$1,499.00
XY BREAKthrough Booster Pack
$63.00Prices from TCGplayer
BREAKthrough has 162 cards in the base set and 165 cards in total once secret rares are included. 138 cards also exist as reverse holo variants, which is why a full master set is larger than the printed set number.
A master checklist includes each card and its collectible finishes. PoBinder currently records 303 card-and-finish combinations for BREAKthrough. Check the included finishes against the printings you want to collect. Available market prices give an estimate of $1,737.86 in singles, compared with about $989.97 for the base set alone.
Current market prices include XY BREAKthrough Booster Box at about $3,248.29, Elite Trainer Box [Mewtwo Y] at about $1,499.00, BREAKthrough Booster Pack Art Bundle [Set of 4] at about $279.95 and XY BREAKthrough Booster Pack at about $63.00. The latest price snapshot is dated October 16, 2026, and prices can change.