Flying
When Kathari Bomber deals combat damage to a player, put two 1/1 red Goblin creature tokens into play and sacrifice Kathari Bomber.
Unearth {3}{B}{R} ({3}{B}{R}: Return this card from your graveyard to play. It gains haste. Remove it from the game at end of turn or if it would leave play. Unearth only as a sorcery.)