AMEX EveryDay has a $0 fee/0% offer for new balance transfers. And might have some utility long term in certain spend categories assuming the OP can find value in MRs.
Discover has a standard offer of 0% APR with a 3% fee, but they also have other offers like $0 fee and 4.99% APR. @ 4.99%, if you borrow $10K and pay back $3400/mo, you only end up paying $80 for those three months. There's ways to get $50 sign up bonuses for Discover.
Also don't discount getting another usable card with a sign up bonus. The SUB can offset the balance transfer fees, and then you have another good CC once the debt is paid off.