Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Frightshroud Courier 
Creature — Zombie · 2/1 · Uncommon · Onslaught · #149
You may choose not to untap this creature during your untap step.
{2}{B}, {T}: Target Zombie creature gets +2/+2 and has fear for as long as this creature remains tapped. (It can't be blocked except by artifact creatures and/or black creatures.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Onslaught | 149 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 4 October 2004It checks the creature type when the ability is announced and resolved, but once the effect is placed on the creature, if its creature type changes the effect still continues.