The Pokmon card Slowbro 38/90 of Undaunted also exists in Reverse version
Starting near MSRP at 5,500, prices grew steadily as collectors realized the Mew VMAX SA and Mew V SA artworks were Japanese-exclusive and increasingly difficult to find in sealed product: Sep 2021 : 5,500 (slightly above MSRP 4,950) Jan 2022 : 8,000 early adopter demand as Mew VMAX dominated competitive play Jun 2022 : 12,000 competitive demand absorbing sealed stock Jan 2023 : 18,000 collector interest in Mew V SA artwork grows Jun 2023 : 25,000 sealed supply visibly declining in Japanese market Jan 2024 : 32,000 international collector demand accelerating Jun 2024 : 38,000 approaching current levels Apr 2026 : 45,000 card rush buy price 40,000 implies ~45,000 market The appreciation trajectory from 5,500 to 45,000 represents an 8 price increase over 4.5 years
Certain creatures would gain a bonus during Day while others would gain one during Night
However, it does come with the downside of allowing your opponents to copy the spell