Magical Hack

Instant, U (1)
Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk.") (This effect doesn't end at end of turn.)¹
Illus. Julie Baroh

Crystal Keep Rulings Summaries

• Alters all occurrences of a land word in the text box of the given card. [WotC Rules Team 1994/04/01]
• Can target a card with no land words on it. [Duelist Magazine #5, Page 23]
• Cannot change a land word to the same land word. It must be a different word. [Duelist Magazine #5, Page 23]
• Cannot Hack proper nouns (i.e. card names) such as Island Fish Jasconius. [WotC Rules Team 1994/06/01]
• Cannot change a card's name, such as changing an Island to a Plains. [D'Angelo 1999/03/26]
• Cannot add or remove the words "Snow-Covered". [Duelist Magazine #6, Page 132]
• If played on a spell being cast, and that spell becomes a permanent, the permanent enters play with an effect on it. It does not change the base characteristics of the permanent. This is just like having the permanent enter play, and then playing this spell. [bethmo 1998/05/22]
• You choose the land words on resolution. [D'Angelo 2003/02/16]
• Note - Also see Text Changing, Rule 418.6.
• Note - This card was of type Interrupt and is now of type Instant. [Oracle 2000/02/01]

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (6/24)	Fifth Edition (Rare) Fourth Edition (Rare) Revised Edition (Rare) Unlimited Edition (Rare) Limited Edition (Beta) (Rare) Limited Edition (Alpha) (Rare)