Instead of being Voltron, combat tricks, or anything else typically Boros, it uses one of the sets main returning mechanic: myriad
I dont think anybody asked for this card, but its actually really interesting
You may choose a permanent card among them, reveal it, and put it into your hand
If you do, return each other card exiled with Mimic Vat to its owner's graveyard
You choose which order your creatures explore in, and with a few merfolk in play, you will have very good control over which card you leave on top at the end
It struck me as a little gimmicky and the chances it would end up in good handsand not in the grimy maws of an eight-year-old or sitting forever in an unopened packseemed dismal