Cheapest priced copy (The Brothers' War Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Glint Raker 
Creature — Drake · 1/3 · Rare · The Brothers' War Commander · #54
Flying
This creature gets +X/+0, where X is the greatest mana value among artifacts you control.
Whenever this creature deals combat damage to a player, you may reveal that many cards from the top of your library. Put an artifact card revealed this way into your hand and the rest into your graveyard.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War Commander | 7 | Rare | $0.49 | — |
| The Brothers' War Commander | 54 | Rare | $0.49 | — |
One ruling from Wizards of the Coast
- 14 October 2022If an artifact on the battlefield has an {X} in its mana cost, that X is 0.