If a player casts an interrupt or instant that changes a color word or land word with another is this ........

Question

change pernament or does it only last for that turn?

The card (magical hack, sleight of mind and mind bend do not say either or)

Answer 1

To find the answer to these types of questions, go to gatherer.wizards.com and search for the card you are asking about. I looked and all three of the cards you mentioned have been errated to include (This effect doesn't end at end of turn.) as part of the rules text.