If you're looking for something to replace AniMagic, Mango AI could be a good candidate. It lets you create videos with talking avatars based on portrait photos and text prompts. Mango AI has modules for creating animation videos, so it could be a good AniMagic replacement for turning your drawings into animations.
Another option is Lumen5, a video creation tool that uses AI to make videos that look professional without requiring much expertise. It's got a drag-and-drop interface, templates and lots of options for customization. It's geared more toward turning written articles into videos, but it could be an interesting alternative with its AI animation abilities.
If you prefer a text-to-video approach, Make-A-Video has a system that turns text prompts into videos with large language models. It can generate realistic and fantastical videos based on a single text prompt, which could be useful if you want to create animated videos based on written prompts.
Last, you could try Typeframes, an AI tool that quickly turns text into videos. It's got customizable templates and export options, so it could be good for creators who want to create videos without having to know how to edit.