Flitterthief

Skulk, Flying
When Flitterthief deals combat damage to an opponent, you may select an artifact or enchantment in that players graveyard, and put it onto the battlefield. Exile that artifact or enchantment if it would leave the battlefield.

"First they steal yer things, that's simple cruelty, but then when you catch 'em, they hides 'em. That's petty, that is."