Mind Bend is a rare Instant card from Eighth Edition (8ED), collector number 92. Current market price: $0.88, TCGplayer market prices via Scryfall.
Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another. (For example, you may change "nonblack creature" to "nongreen creature" or "forestwalk" to "islandwalk." This effect lasts indefinitely.)