You can TAG to UCSB or UCD which if you meet all TAG requirements, would be guaranteed admission to either college. I would concentrate on meeting the TAG requirements and then if you are able to also fulfill UCB’s requirements, you should be set.
http://admissions.sa.ucsb.edu/docs/default-source/pdfs/tag-fall-2020.pdf?sfvrsn=d72f2fcc_14