Cheapest priced copy (Alara Reborn): $0.35 at Card Kingdom, near mint, their price list as of .
Kathari Bomber 
Creature — Bird Shaman · 2/2 · Common · Alara Reborn · #41
Flying
When this creature deals combat damage to a player, create two 1/1 red Goblin creature tokens and sacrifice this creature.
Unearth {3}{B}{R} ({3}{B}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Alara Reborn | 41 | Common | $0.35 | $0.49 |
| Duel Decks: Speed vs. Cunning | 11 | Common | $0.35 | — |
| Modern Masters 2017 | 172 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 14 March 2017When Kathari Bomber’s triggered ability resolves, you create two Goblin tokens regardless of how much combat damage Kathari Bomber dealt to the player. You create the tokens even if you can’t sacrifice Kathari Bomber.