Cheapest priced copy (Gatecrash): $0.35 at Card Kingdom, near mint, their price list as of .
Keymaster Rogue 
Creature — Human Rogue · 3/2 · Common · Gatecrash · #39
This creature can't be blocked.
When this creature enters, return a creature you control to its owner's hand.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 39 | Common | $0.35 | $0.49 |
| Ravnica Remastered | 47 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 24 January 2013Keymaster Rogue’s last ability isn’t optional. If Keymaster Rogue is the only creature you control when the ability resolves, you’ll have to return it to its owner’s hand.