I think you can take admission in MS and then move ahead, in case you already have an MS, then keep talking to professors for help. I will take admission in MS in case I get unfunded Phd there.
UB has good professors working in corporate finance like Professor Derek and also in derivative pricing like Professor Igor. Additionally they also have professors working on Merger Acquisition and Portfolio analytics as well.
But U-Miami is also a great place with more professors in Finance.
Observe carefully we are talking about Animal-hideshield which was not a method but a think that used to protect.
In these type of questions we have to see what thigns does the blank point to.
here i think it points to animal-hideshield which is a thing protecting warriers
hope thigs helps