Crafty Fingersmith

Haste
Whenever Crafty Fingersmith attacks, fateseal 1.
Pickpocket 2 (Whenever this creature deals combat damage to a player, reveal the top card of that player's library. If it's a nonland card with converted mana cost 2 or less, you may cast that card without paying its mana cost.)
"I believe that shiny, valuable gem is mine."