NET
24 For false messiahs and false prophets will appear and perform great signs and wonders to deceive, if possible, even the elect.
Darby
24 For there shall arise false Christs, and false prophets, and shall give great signs and wonders, so as to mislead, if possible, even the elect.
KJV
24 “For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if” [it were] “possible, they shall deceive the very elect.”