Cheapest priced copy (Masters 25): $0.35 at Card Kingdom, near mint, their price list as of .
Court Hussar 
Creature — Vedalken Knight · 1/3 · Uncommon · Dissension · #22
Vigilance
When this creature enters, 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 this creature enters, sacrifice it unless {W} was spent to cast it.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
5 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Masters 25 | 51 | Common | $0.35 | $0.49 |
| Commander 2011 | 43 | Uncommon | $0.35 | — |
| Dissension | 22 | Uncommon | $0.39 | $0.99 |
| RNA Guild Kit | 5 | Uncommon | $0.35 | — |
| The List | A25-51 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 1 May 2006If this enters 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.