![Knowledge Pool [Mirrodin Besieged]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/5d67de34-86b0-51ff-abe9-3d6ccdc7d7f7.jpg?v=1720239576)
Knowledge Pool [Mirrodin Besieged]
| Set: | Mirrodin Besieged |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | 6 |
Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library.
Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.
Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost.