Cheapest priced copy (Nemesis): $0.35 at Card Kingdom, near mint, their price list as of .
Netter en-Dal 
Creature — Human Spellshaper · 1/1 · Common · Nemesis · #13
{W}, {T}, Discard a card: Target creature can't attack this turn.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Nemesis | 13 | Common | $0.35 | $0.79 |
One ruling from Wizards of the Coast
- 4 October 2004The ability only does something if used before attackers are declared during a turn. If used after the creature is declared as an attacker, nothing happens.