Cheapest priced copy (Gatecrash): $0.35 at Card Kingdom, near mint, their price list as of .
Incursion Specialist 
Creature — Human Wizard · 1/3 · Uncommon · Gatecrash · #38
Whenever you cast your second spell each turn, this creature gets +2/+0 until end of turn and can't be blocked this turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 38 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 24 January 2013Incursion Specialist’s ability can trigger only once each turn. The ability will resolve before the second spell resolves. It doesn’t matter if the first spell you cast that turn has resolved, was countered, or is still on the stack.