Cheapest priced copy (Gatecrash): $5.49 at Card Kingdom, near mint, their price list as of .
Angelic Skirmisher 
Creature — Angel · 4/4 · Rare · Gatecrash · #3
Flying
At the beginning of each combat, choose first strike, vigilance, or lifelink. Creatures you control gain that ability until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $5.49 to $7.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 3 | Rare | $5.49 | $7.99Out of stock |
| Gatecrash Promos | A11 | Rare | — | $5.49 |
2 rulings from Wizards of the Coast
- 24 January 2013Only creatures you control when the ability resolves will gain the chosen ability. Creatures that come under your control later in the turn will not gain the ability.
- 24 January 2013You choose which ability creatures you control will gain when Angelic Skirmisher’s ability resolves. This happens before attacking creatures are declared.