Re: biomage/mancer mc

The only real cultivator

Is plant based, if you mean flesh/bones/blood there are a few in the necromancer corner.

Bit of the synopsis:
Quote:Vincent gained power over plants, allowing him to turn seeds into all sorts of vegetation. He ventures out into this new world filled with phony cultivators to set the record straight. He can make one declaration with absolute certainty, “I am the only real cultivator!

Re: biomage/mancer mc

If you don't mind it being a superhero setting, there's Ainōryoku Sentai Nightmærangers, where it comes in plant only and animal only flavors.
Ainōryoku Sentai Nightmærangers

Demesne - A slice of life story of a wizard, her dungeon-in-progress, and their frontier town. Go to Patreon for exclusive content or support.
Nightmærangers - A FILIPINO eldritch Sentai/Ranger superhero team of colorfully garbed heroes with face concealing helmets in bright primary colors fighting monsters once a week!