Breakthrough Skill
SR02 · SR02-EN038
Common
16 printings
BREAKthrough Card Divider - Mega Mewtwo X
Dividers
Pokemon TCG: BREAKthrough Elite Trainer Box Card Sleeves - Mega Mewtwo X (65 Pack)
Sleeves
SDLI-1462 · SDLI-EN035
SBC2 · SBC2-ENI25
Sudden Breakthrough
J22 · 610
C
2 printings
BP02 · BP02-EN215
SDLI · SDLI-EN035
Breakthrough Skill (Mosaic Rare)
Mosaic Rare
Breakthrough - 2002 Raphael Levy (TOR)
WCD
S
5 printings
BP03 · BP03-EN227
Breakthrough of Courage
ST-15 · ST15-15 U
Uncommon
BREAKthrough Theme Deck - "Night Striker" [Noivern]
BKT
Sealed
ST-15_PR · ST15-15 U
BREAKthrough Single Pack Blister [Jirachi]
BREAKthrough Single Pack Blister [Hawlucha]
BREAKthrough Card Divider - Mega Mewtwo Y
Pokemon: X&Y BREAKthrough Mini Collector's Album
Binder
Delta Species Theme Deck - "Breakthrough"
DS
Mega Mewtwo Collection (Set of 2)
BREAKthrough Sleeved Booster Pack Art Bundle [Set of 4]
Mega Swampert EX Premium Collection
BREAKthrough Collector Pin 3 Pack Blister [Mega Blaziken]
Mega Blaziken EX & Mega Swampert EX Premium Collection (Set of 2)