Magical Hack (4Ed) 83 EnN SO ModeratelyPlayed

{U} Instant 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 lasts indefinitely.) Illustrated by Julie Baroh Fourth Edition #83 EDHREC rank 21860 Magic: The Gathering, MTG