Creature — Human Rogue Ally 2/2, 3B (4)
Rare
Whenever Bala Ged Thief or another Ally enters the battlefield under your control, target player reveals a number of cards from his or her hand equal to the number of Allies you control. You choose one of them. That player discards that card.
Illus. Matt Cavotta

10/1/2009: The ability counts the number of allies you control as it resolves.
10/1/2009: If 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 his or her entire hand. You choose one of the cards revealed this way and that player discards it.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Extended (Type 1.X)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern