- tcgrate
- Games
- Weiß Schwarz
- Sets
- Rascal Does Not Dream of Bunny Girl Senpai
- Observation Theory, Rio Futaba (SR)
Weiß Schwarz · Rascal Does Not Dream of Bunny Girl Senpai · #SBY/W64-E027S SR · Super Rare
Observation Theory, Rio Futaba (SR)
Weiß Schwarz card price for Observation Theory, Rio Futaba (SR): $0.85 market, from $0.66 at the cheapest listing, Normal printing, updated Oct 20, 2026. Full price history since Feb 8, 2024 below.
Sellers right now
Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.
Where to buy
One year
Price story
Observation Theory, Rio Futaba (SR) entered our records in February 2024 at $1.06 and stands at $0.85 today, down 19.8% over that time. Over the past twelve months it moved +13.3%, trading between $0.75 and $1.00. The current price is in the middle of that range. Its all-time high in our data is $1.06, still 24.7% above the current price. The cheapest listing right now is $0.66, and the 30-day average market price is $0.85.
Printings
The card in play
- Color
- Green
- Card type
- Character
- Trait
- Adolescence
- Soul
- 1
- Trait 2
- Science
[AUTO] When this card attacks, choose 1 of your other "Adolescence" characters, and that character gets +1000 power until end of turn.
[AUTO] When this card becomes [REVERSE], if this card's battle opponent is level 0 or lower, you may put the top card of your opponent's clock into your opponent's waiting room. If you do, put that character into his or her clock.
Other printings of Observation Theory, Rio Futaba
1 more · $0.24 – $0.85
Also in Rascal Does Not Dream of Bunny Girl Senpai
most valuable
0.0% 7d
Bunny Girl Senpai, Mai Sakurajima (SP) (Silver Stamp)
$265.00
0.0% 7d
Idol With a Sister Complex, Nodoka Toyohama (SP) (Silver Stamped)
$130.96
0.0% 7d
Dreaming Girl, Shoko Makinohara (SP) (Silver Stamped)
$64.95
0.0% 7d
Sunset Sky, Kaede Azusagawa (SR)
$40.99
0.0% 7d
Ephemeral Existence, Mai Sakurajima
$25.00