During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 20 (before applying Weakness and Resistance).
Flip 2 coins. This attack does 40 more damage for each heads.
Diancie-EX from XY Black Star Promos is currently trading around $10.24. Week-over-week change is limited (0.0%), indicating short-term stability.
Against its 30-day baseline of $9.91, this card is pricing 3.4% higher. The 90-day window shows a floor near $9.68 and a peak around $10.58 (9% total spread), which maps to low-volatility movement.
The listed rarity for this print is Promo.
Pricing context for collectors: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. The 90-day range spans $9.68 to $10.58 (9% spread), which indicates low-volatility behavior.
Current value is 3.4% above its 30-day reference ($9.91). Graded comparison currently centers on PSA 9 near $19.97, representing +95% over raw value.
Diancie-EX appears in XY Black Star Promos, released in 2013. Its card type is Pokémon.
The rarity label is Promo. Printed HP is 140.
Energy typing is Fairy. It carries a Basic and EX subtype designation.
The card text reads: Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards. The printed attacks highlight "Moonblast" and "Luminous Swirl".
Collectors tracking Diancie-EX often benchmark it against other Diancie-EX cards. This comparison sample includes 1 alternatives across 1 set.
Only one priced comparison is available in this sample ($3.92). Notable alternatives include Diancie-EX #72 (Fates Collide) at $3.92.
XY Black Star Promos entered circulation in 2013. XY Black Star Promos is grouped under the XY era.
With 216 listed cards, this is a large set by modern TCG standards. As of 2026, the set is 13 years old and fits a legacy-era profile.
Diancie-EX (#XY43) is one of the Promo prints in this expansion.
