- tcgrate
- Games
- Union Arena
- Sets
- UE19BT: SAKAMOTO DAYS
- Let the Fun Experiment Begin!
Union Arena · UE19BT: SAKAMOTO DAYS · #UE19BT/SMD-1-080 · Common
Let the Fun Experiment Begin!
Union Arena card price for Let the Fun Experiment Begin!: $0.05 market, from $0.02 at the cheapest listing, Normal printing, updated Oct 19, 2026. Full price history since May 30, 2026 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
Let the Fun Experiment Begin! came out in May 2026; we leave the first weeks out of this story, because early prices are set before real supply exists. Listings currently start at $0.02; over the last 30 days the market price averaged $0.05.
Printings
The card in play
- Card type
- Event
- Affinities
- LABO
- Series Name
- Sakamoto Days
- Required Energy
- 2
- Action Point Cost
- 1
- Activation Energy
- Purple
Choose up to one of your AP cards and switch it to active. During the movement phase of your opponent's next turn, they cannot move characters on their energy line to their front line, but they can move characters on their front line to their energy line.
[Active] Choose one character on your field and switch it to active. It gains 3000 BP until the end of the turn.
