Develop Your Brain 1-161
ActionCommonSapphire
Develop Your Brain, the Common Sapphire action from The First Chapter (1-161), costs 1 ink to play. It can be played face-down in the inkwell for ink.
- Card number
- 1-161
- Ink
- Sapphire
- Cost
- 1
- Inkwell
- Inkable
- Type
- Action
- Rarity
- Common
- Illustrator
- Pao Yong
- Printings
- 1
Card text
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
Format legality
- Core: Rotated out of Core (legal until Sep 5, 2025)
- Infinity: Legal
Printings & prices
Every known printing of Develop Your Brain (1-161) with its rarity and approximate TCGplayer market prices per finish.
Common 1-161Common
- Nonfoil: $0.09
- Foil: $0.72
TCGplayer market price, updated Oct 26, 2026
TCGplayer market price history
Dated market prices are shown by printing and finish. Days with no market price remain gaps.
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Prices are approximate TCGplayer market prices per printing and finish — not appraisals or official values. Buy links are affiliate links.
Find a copy
Current marketplace listings for Develop Your Brain (1-161).
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