ことぶきほしももであれば
寿星桃であれば
kotobuki hoshimomodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of じゅせいとう

1. If it were a peach for a long-lived person; If it were a peach for the birthday celebrant

Ba Conditional
Usually Written in Kana