Magic isn't real, not even if you spell it with a k at the end, so use whatever flavour you want. Wicca, Harry Potter, the Force, Roman Catholicism... it's all the same.
There is a love spell that kind of sort of works, but you probably don't want to use it. It's called the Sacred Rite of the Unbuttoning, and it's more of a lust spell than a love spell. But when dealing with magic (with or without the k), just like real life, sometimes you have to just take what you can get.