Cheapest priced copy (Theros): $0.35 at Card Kingdom, near mint, their price list as of .
Sentry of the Underworld 
Creature — Griffin Skeleton · 3/3 · Uncommon · Theros · #202
Flying, vigilance
{W}{B}, Pay 3 life: Regenerate this creature.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Theros | 202 | Uncommon | $0.35 | $0.49 |