![Knowledge Exploitation [Morningtide]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/knowledge-exploitation-morningtide.webp)
Description
| Set: | Morningtide |
| Type: | Tribal Sorcery — Rogue |
| Rarity: | Rare |
| Cost: | {5}{U}{U} |
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.
![Helm of Chatzuk [Alpha Edition]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/helm-chatzuk-alpha-edition.webp)
![Doom Blade [Magic Player Rewards 2011]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/doom-blade-magic-player-rewards-2011.webp)
![Hypnotic Specter [Anthologies]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/hypnotic-specter-anthologies.webp)
![Blue Mana Battery [Legends]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/blue-mana-battery-legends.webp)
![The Dark Barony (Planes) [Planechase Planes]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/dark-barony-planes-planechase-planes.webp)
![Yule Ooze [Happy Holidays]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/yule-ooze-happy-holidays.webp)
![Spell Snare [Dissension]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/spell-snare-dissension.webp)
![Apothecary Geist [Shadows over Innistrad]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/apothecary-geist-shadows-over-innistrad.webp)