Cheapest priced copy (Urza's Destiny): $0.35 at Card Kingdom, near mint, their price list as of .
Nightshade Seer 
Creature — Human Wizard · 1/1 · Uncommon · Urza's Destiny · #63
{2}{B}, {T}: Reveal any number of black cards in your hand. Target creature gets -X/-X until end of turn, where X is the number of cards revealed this way.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Urza's Destiny | 63 | Uncommon | $0.35 | $1.49Out of stock |
One ruling from Wizards of the Coast
- 4 October 2004You can reveal zero cards to give -0/-0 to a creature.