Cheapest priced copy (Commander 2015): $0.35 at Card Kingdom, near mint, their price list as of .
Boros Cluestone 
Artifact · Common · Dragon's Maze · #137
{T}: Add {R} or {W}.
{R}{W}, {T}, Sacrifice this artifact: Draw a card.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2015 | 246 | Common | $0.35 | — |
| Commander Anthology Volume II | 175 | Common | $0.35 | — |
| Dragon's Maze | 137 | Common | $0.35 | $0.49 |