Cheapest priced copy (Fifth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Serra Paladin 
Creature — Human Knight · 2/2 · Common · Homelands · #17
{T}: Prevent the next 1 damage that would be dealt to any target this turn.
{1}{W}{W}, {T}: Target creature gains vigilance until end of turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Fifth Edition | 61 | Uncommon | $0.35 | — |
| Homelands | 17 | Common | $0.35 | — |