Cheapest priced copy (Zendikar): $0.49 at Card Kingdom, near mint, their price list as of .
Bala Ged Thief 
Creature — Human Rogue Ally · 2/2 · Rare · Zendikar · #79
Whenever this creature or another Ally you control enters, target player reveals a number of cards from their hand equal to the number of Allies you control. You choose one of them. That player discards that card.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Zendikar | 79 | Rare | $0.49 | $0.49 |
2 rulings from Wizards of the Coast
- 1 October 2009The ability counts the number of Allies you control as it resolves.
- 1 October 2009If the number of Allies you control as the ability resolves is greater than the number of cards in the targeted player’s hand, that player reveals their entire hand. You choose one of the cards revealed this way and that player discards it.