Arachne, Psionic Weaver (Extended Art) (245) (SPM)
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![Knowledge Pool [Mystery Booster]](https://cdn.shopify.com/s/files/1/0524/2277/0879/files/bf4b3188-477d-5b8f-a278-9fde7a5fe39a.jpg?v=1737833500)
Knowledge Pool [Mystery Booster]
| Set: | Mystery Booster |
| 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.