
Key to the Basement
$1.15
Market price, updated Nov 7, 2026
- Game
- Union Arena
- Set
- UE10BT: Attack on Titan Release Event Cards
- Rarity
- U
- Type
- Event
Look at the top five cards of your deck. Reveal up to one "Basement" or "Inheritor of the Titan" affinity card among them and add it to your hand. Place the remaining cards on the bottom of your deck in any order. If the revealed card has 6 or more base required energy, choose up to one of your AP cards and switch it to active. Trigger: [Color] Choose one character with 2500 or less BP on your opponent's front line and sideline it.
Market prices
| Printing | Market | Low | 7 days | 30 days |
|---|---|---|---|---|
| Normal | $1.15 | $1.19 | 0.0% | +7.5% |
Updated Nov 7, 2026. Pricing data via TCG API. Market estimates, not offers from a shop.
In stock at local shops
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