Cheapest priced copy (Tempest): $0.69 at Card Kingdom, near mint, their price list as of .
Sacred Guide 
Creature — Human Cleric · 1/1 · Rare · Tempest · #38
{1}{W}, Sacrifice this creature: Reveal cards from the top of your library until you reveal a white card. Put that card into your hand and exile all other cards revealed this way.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.69 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tempest | 38 | Rare | $0.69 | — |