Knowledge Exploitation
3d283c49-2e81-4b2e-956a-69152cc4704e
$2.65 CND
Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)
Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles his or her library.