Cheapest priced copy (Shadows over Innistrad): $0.49 at Card Kingdom, near mint, their price list as of .
Drogskol Cavalry 
Creature — Spirit Knight · 4/4 · Rare · Shadows over Innistrad · #15
Flying
Whenever another Spirit you control enters, you gain 2 life.
{3}{W}: Create a 1/1 white Spirit creature token with flying.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.49 to $2.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Shadows over Innistrad Promos | 15 | Rare | — | $0.69 |
| Shadows over Innistrad Promos | 15s | Rare | — | $2.29 |
| Shadows over Innistrad | 15 | Rare | $0.49 | $0.49 |
One ruling from Wizards of the Coast
- 8 April 2016The Spirit tokens created by Drogskol Cavalry will cause its second ability to trigger, as well as any other Spirits you cast or Spirit tokens you put onto the battlefield another way.