你相信魔法吗？

Do you believe in ___magic?

仿佛被施了魔法，汽车一碰到水就变成了一艘船。

As if by ___magic, the car changes into a boat when it hits the water.

我喜欢《哈利·波特》这本书的魔法元素。

I like the Harry Potter book for its ___magic.