Cheapest priced copy (Eldritch Moon): $0.49 at Card Kingdom, near mint, their price list as of .
Stromkirk Condemned 
Creature — Vampire Horror · 2/2 · Rare · Eldritch Moon · #106
Discard a card: Vampires you control get +1/+1 until end of turn. Activate only once each turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.49 to $0.59 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Eldritch Moon | 106 | Rare | $0.49 | $0.49 |
| Eldritch Moon Promos | 106s | Rare | — | $0.59 |
| Crimson Vow Commander | 137 | Rare | $0.49 | — |
2 rulings from Wizards of the Coast
- 13 July 2016The set of creatures affected by Stromkirk Condemned's ability is determined as the ability resolves. Vampires you begin to control later in the turn won't get +1/+1.
- 13 July 2016If you discard a Vampire card with madness and cast it, it'll enter the battlefield before Stromkirk Condemned's ability resolves.