Unlocking the Development Diagram (ST10-014) sells for $1.49 on TCGplayer (market price, Oct 22, 2026). A Blue command card from ST10 in the Gundam card game — rarity C, cost 4.
$1.49TCGplayer market priceFrom $0.78 · 32 listings · as of Oct 22, 2026
When playing this card from your hand, you may discard 1 (G Generation) Unit card. If you do, play this card as if it has 2 Lv. and cost. 【Main】Draw 2.