Magic Knight Rayearth (1994) [Dub]
Magical Angel Creamy Mami // Mahou no Tenshi Creamy Mami (1983) [Sub]
Magical Girl Site // Mahou Shoujo Site (2018) [Sub]
Mazinger Edition Z // Shin Mazinger Shougeki! Z-hen (2009) [Sub]
Millennium Actress // Sennen Joyuu (2002) [Sub]
My Girlfriend is a Shobitch // Boku no Kanojo ga Majimesugiru Sho-bitch na Ken (2017) [Sub]
Mythical Detective Loki Ragnarok // Matantei Loki Ragnarok (2003) [Dub]
Night on the Galactic Railroad // Ginga Tetsudou no Yoru (1985) [Sub]
No Game No Life Zero (2017) [Sub]
Orphen // Majitsushu Orphen (1998) [Dub]
Pastel Yumi: The Magic Idol // Mahou no Idol Pastel Yumi (1986) [Sub]
Photon The Idiot Adventures // Photon (1997) [Dub]
Pokémon the Series: Gold & Silver // Pokémon (1997) [Dub]
Pokémon the Series: Ruby & Sapphire // Pokémon Advanced Generation (2002) [Dub]
Princess Principal (2017) [Sub]
Psycho Pass 3 First Inspector (2020) [Sub]
Rage of Bahamut: Virgin Soul // Shingeki no Bahamut: Virgin Soul (2017) [Sub]
Ronja, the Robber's Daughter // Sanzoku no Musume Ronja (2014) [Dub]
Saekano: How to Raise a Boring Girlfriend // Saenai Heroine no Sodatekata (2015) [Sub]
Saekano: How to Raise a Boring Girlfriend .flat // Saenai Heroine no Sodatekata♭(2017) [Sub]
Sagrada Reset // Sakurada Reset (2017) [Sub]
Samurai Pizza Cats // Kyattou Ninden Teyandee (1990) [Dub]
Samurai Troopers (Ronin Warriors) // Yoroiden Samurai Troopers (1988) [Dub]
Samurai Troopers (Ronin Warriors): Gaiden // Yoroiden Samurai Troopers Gaiden (1989) [Dub]
Samurai Troopers (Ronin Warriors): Message // Yoroiden Samurai Troopers Message (1991) [Dub]
Sea Prince and the Fire Child // Sirius no Densetsu (1981) [Dub]
1/3
A curated list of stuff I've enjoyed:
Full Metal Alchemist: Brotherhood (dubbed)
Mushishi 2014 and 2006
The best series that fits what you're looking for is on Amazon.