Roblins!

From BoardGameGeek:

"They steal from the rich and keep it for themselves!" There are two very similar goblin clans. One is mean and cunning, while the others see themselves as cunning and mean. And so the eternal struggle began. In Roblins!, you take control of a goblin clan and its gold chamber. Your goal is to steal the enemies entire gold treasure. Spend your own gold (or better your enemies) to hire new units and build landscapes full of traps to protect your deck of treasure cards against the enemy goblins, and rob all their gold to win the game before they do the same with you! -description from the publisher