Release year for Cosmic Eclipse is 2019. Cosmic Eclipse is grouped under the Sun & Moon era.
With 272 listed cards, this is a very large set by modern TCG standards. As of 2026, the set is 7 years old and now falls into an established back-catalog period.
Chaotic Swell (#187) is one of the Uncommon prints in this expansion.
Chaotic Swell appears in Cosmic Eclipse, released in 2019. Its card type is Trainer.
The rarity label is Uncommon. This gives collectors a clear identity footprint for the print.
Card subtype classification is Stadium. The card text reads: Whenever either player plays a Stadium card from their hand, discard that Stadium card after discarding this one.
(The new Stadium card has no effect.) This card stays in play when you play it. Discard this card if another Stadium card comes into play.
Chaotic Swell (Cosmic Eclipse) is presently valued at about $0.23 in raw condition. Price action is stable over 7 days, moving only 0.0%.
Versus its 30-day baseline of $0.24, this card is now 5.5% lower. The 90-day window shows a floor near $0.18 and a peak around $0.26 (35% total spread), which maps to moderate-volatility movement.
The listed rarity for this print is Uncommon.
Current valuation lens: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. With a 35% 90-day spread ($0.18-$0.26), this card currently tracks as moderate-volatility.
Current value is 5.5% below its 30-day reference ($0.24). This sample does not include a stable graded benchmark, which means active listings remain the best condition-adjusted reference.