Arachne, Psionic Weaver is a rare Legendary Creature — Spider Human Hero card from Through the Omenpaths (OM1), collector number 23.
Web-slinging {W} (You may cast this spell for {W} if you also return a tapped creature you control to its owner's hand.) As Arachne enters, look at an opponent's hand, then choose a card type other than creature. Spells of the chosen type cost {1} more to cast.