Cheapest priced copy (Duel Decks: Knights vs. Dragons): $0.35 at Card Kingdom, near mint, their price list as of .
Plover Knights 
Creature — Kithkin Knight · 3/3 · Common · Duel Decks: Knights vs. Dragons · #20
Flying, first strike
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Knights vs. Dragons | 20 | Common | $0.35 | — |
| Lorwyn | 35 | Common | $0.35 | $0.49 |