Cheapest priced copy (Dragons of Tarkir): $0.49 at Card Kingdom, near mint, their price list as of .
Boltwing Marauder 
Creature — Dragon · 5/4 · Rare · Dragons of Tarkir · #214
Flying
Whenever another creature you control enters, target creature gets +2/+0 until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.49 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dragons of Tarkir | 214 | Rare | $0.49 | $0.79 |
| Dragons of Tarkir Promos | 214 | Rare | — | $0.49 |
| Dragons of Tarkir Promos | 214s | Rare | — | $1.49 |
One ruling from Wizards of the Coast
- 25 February 2015Any creature on the battlefield can be the target of Boltwing Marauder’s triggered ability, including the one that entered the battlefield and caused the ability to trigger.