Knowledge Exploitation
Morningtide (MOR #38)
Pricespreview
CHCardhoarder
Normal
0.02 tix
Foil
0.53 tix
CKCard Kingdom
Normal
$5.99
Foil
$29.99
CMCardmarket
Normal
€2.61
Foil
€13.28
MPMana Pool
Normal
$4.67
Foil
$16.67
TC
Knowledge Exploitation
CMC: 7
Type
Kindred Sorcery — Rogue
Rules Text
Prowl 
(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.
Printing
Morningtide (MOR #38)
rare
Illustrated by Darrell Riche