Cheapest priced copy (Adventures in the Forgotten Realms): $1.29 at Card Kingdom, near mint, their price list as of .
Loyal Warhound 
Creature — Dog · 3/1 · Rare · Adventures in the Forgotten Realms · #363
Vigilance
When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
7 printings · $1.29 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Adventures in the Forgotten Realms | 23 | Rare | $1.29 | $1.99 |
| Adventures in the Forgotten Realms | 363 | Rare | $2.49 | $2.99 |
| Bloomburrow Commander | 107 | Rare | $1.29 | — |
| Adventures in the Forgotten Realms Promos | 23a | Rare | — | $10.99Out of stock |
| Adventures in the Forgotten Realms Promos | 23p | Rare | $2.79 | $4.49 |
| Adventures in the Forgotten Realms Promos | 23s | Rare | — | $4.49Out of stock |
| The List | AFR-23 | Rare | $1.49 | — |