If you use Quiz with both Suggestions and Practice disabled, it will only draw from your saved items.
Also, the original post linked one of my older negative reviews of PhrasePump. My opinion has changed significantly since then — I haven’t found anything else that comes close to PhrasePump in effectiveness for an SRS system.
I’ve linked my updated review below; it’s worth checking out. I include several practical use cases that might help you get more out of it.