LanaKit
Develop Your Brain
Develop Your Brain — 1-cost Sapphire Common action More from The First Chapter (2023).
Cost
1
Look at the top 2 cards of your deck. Put one into your hand and the other on the bottom of the deck.
“Knowledge, wisdom—there's the real power!” —Merlin
Story · The Sword in the Stone
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TCGPlayer
US marketplace · Price references
$0.13
Open →CardMarket
EU marketplace · Price references
Foil €0.60
Open →eBay
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Prices updated 2026-05-16
How much is Develop Your Brain worth?
As of 2026-05-16, Develop Your Brain (The First Chapter #161) sells for about $0.13 on TCGplayer (market price). On Cardmarket the 7-day average is €0.05 (30-day: €0.05).
| Marketplace | Finish | Low | Mid / 7-day avg | Market / Trend | High / 30-day avg |
|---|---|---|---|---|---|
| TCGplayer | Normal | $0.01 | $0.20 | $0.13 | $2184.59 |
| Cardmarket | Normal | €0.02 | €0.05 | €0.03 | €0.05 |
| Cardmarket | Foil | €0.02 | €0.91 | €0.46 | €0.58 |
Art by Pao Yong
About this card
Develop Your Brain — 1-cost Sapphire Common action More from The First Chapter (2023). Inkable. Set: The First Chapter (1, 244 cards). Story: The Sword in the Stone. Art by Pao Yong.
