うむしゅむがるたでしょう
宇牟須牟骨牌でしょう
umu shumugarutadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of うんすんかるた

1. Probably…; It will likely fall like dominoes.

Polite
Presumptive
Conjecture
Usually Written in Kana