Keeping in mind that Cryo can't play solo duelist, if Asuna and Boostio were to be dropped, the gaps in the roster would an IGL, a sentinel player and a duelist player. Given Cryo's insane aim and passive play style, I think role switching him onto a keiko kind of role would be optimal. Cryo has already played brimstone and this led to them winning stage 1. He could even play some sentinel on one or two maps. We have seen many duelists switch to smokes and succeed because the roles lets you play at you own pace and take the fights you want which makes you aim excel. Examples include TenZ, Jingg, Keiko, Bang, s0m, and many more. With that being said Zander may be uncomfortable playing sentinel but this configuration puts everyone on a comfortable role and if Zander is underperforming all they have to do is pick up a sentinel player.
Cryo - smokes/second duelist
Eeiu - sova/tejo initiator
Zander - sentinel
Sato - Duelist
v0ra(IGL) - flex/flash initiator