Court Hussar

Creature - Vedalken Knight 1/3, 2U (3)
Vigilance

When Court Hussar enters the battlefield, look at the top three cards of your library, then put one of them into your hand and the rest on the bottom of your library in any order.

When Court Hussar enters the battlefield, sacrifice it unless {W} was spent to cast it.¹
Illus. Ron Spears

Gatherer Card Rulings [Nov 2009]

• 5/1/2006: If this enters the battlefield in a way other than announcing it as a spell, then the appropriate mana can’t have been paid, and you’ll have to sacrifice it.  

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/9)	Dissension (Uncommon)