If you aren't sure where to start, these series are widely available and highly rated in the magic genre:
: Features a tag specifically for "Wizards and Mages" where many authors post their full novels for free. skachat knigi o magakh besplatno
: A popular site for modern Russian fantasy, particularly "litRPG" and stories about "popadantsy" (people transported to magic worlds). If you aren't sure where to start, these