Cheapest priced copy (Urza's Legacy): $0.35 at Card Kingdom, near mint, their price list as of .
Defender of Law 
Creature — Human Knight · 2/1 · Common · Urza's Legacy · #5
Flash
Protection from red
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Legacy | 5 | Common | $0.35 | $0.79 |
One ruling from Wizards of the Coast
- 4 October 2004This card is always a creature spell and is never an instant spell, no matter when you cast it.