Most valuable XY Base Set cards and prices
The most valuable XY Base Set card is Blastoise EX (142 Full Art) 142/146 at about $179.66 (Near Mint, October 24, 2026). This page lists 1 popular XY Base Set card with prices and buy or sell signals.
Prices and signals
| Card | Number | Rarity | Near Mint | 30 days | Signal |
|---|---|---|---|---|---|
| Blastoise EX (142 Full Art) · Holofoil | 142/146 | Ultra Rare | $179.66 | +12.2% | Hold |
Signals are estimates based on past prices, not guarantees.
About XY Base Set
XY Base Set is a Pokémon set from 2014. This page lists 1 of its cards.
Updated October 24, 2026 · All Pokémon sets · How Bull Run works