A mix of http://freesound.org/people/Department64/sounds/95266/ , http://freesound.org/people/qubodup/sounds/162440/ and http://www.freesound.org/people/qubodup/sounds/159725/ (all license-compliant).

4 spells available as 44100 Hz .flac and .wav in a 7z file, includes license text.

Preview generated with https://github.com/qubodup/ogatools

2025-04-14 update: made attribution requirement lax and license changed to CC-BY and similar. Feel free to keep using CC-BY SA or ignore it in the zip and use CC-BY/OGA-BY instead. Optional: also give credit to Department64