Mind Bend

Instant, U (1)
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 doesn't end at end of turn.)¹
Illus. Mike Dringenberg

Crystal Keep Rulings Summaries

• It can be used to change a land's type from one basic land type to another. For example, a Forest can be change to an Island so it produces blue mana. [8E FAQ 2003/07/28]
• If you respond to your opponent's use of this spell with another use so that the color word changes before the opponent's resolves, the opponent's will do nothing since no instances of the words they chose will be there. [bethmo 1996/11/05]
• You can play this spell on a permanent which has no color or land words on it. It doesn't do anything useful, but it is legal to do. [D'Angelo 2000/10/14]
• Note - Also see Text Changing, Rule 418.6.

Format Legality	Legal in Vintage, Legacy, Extended, Standard
Printings (4/30)	Tenth Edition (Rare) Core Set - Ninth Edition (Rare) Core Set - Eighth Edition (Rare) Mirage (Uncommon)