Cheapest priced copy (Conflux): $0.35 at Card Kingdom, near mint, their price list as of .
Frontline Sage 
Creature — Human Wizard · 0/1 · Common · Conflux · #28
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{U}, {T}: Draw a card, then discard a card.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Conflux | 28 | Common | $0.35 | $0.49 |