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Unless your magic involves accelerating the light to some degree. Considering how light basically weighs nothing, you could probably accelerate it 100C with a minimal application of force, provided you knew how apply force to light from long distances.

Barring optical illusions, there's really nothing saying they can't.
The only reason the entire "Can't go faster than light" thing came into existence is because going faster than light would play tricks on the eyes.

It doesn't actually do anything like that. It causes a whole bunch of optical phenomena, but people took it the wrong way.
The line of thought was "If something effects me before I can see it, something's wrong". People just don't like the thought of getting punched and seeing the punch a second later. It would be weird.
'Course, acceleration doesn't work like that. You would always see something coming. Relativity states that light always travels at light speed compared to what it's coming off of, so it doesn't matter how fast you're going. If you manage speeds of two million C, the light reflected off of you will be going two million and one C.
The light coming off your arse would be going one C slower than you in the same direction. Thus anyone going less than one C slower than you would never stand a chance at seeing you.

There's a similar phenomena revolving around black holes. They say time stops at the event horizon, but that would be impossible. The event horizon is simply the point where light can no longer escape, and thus you can't observe what's going on any more.
It's strange, but we seem to claim too much of what we observe to be truth. That causes errors when what we're observing messes up our observations. Anything too small, too fast, or possessive of too much gravity seems to cause errors.

Just use some kind of magic or something... SCHOOL HASN'T STARTED FOR ME SO I DON'T WISH TO LEARN BEFORE IT DOES START classified_fu