Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)
Change the text of any card being played or already in play by replacing one color word with another. For example, you can change "Counters red spells" to "Counters black spells." Sleight of Mind cannot change mana symbols.
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