八尺瓊 やさかに勾玉 まがたまであれば
yasakanimagatamadeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 八尺瓊勾玉

1. If/When it is the Eight-Foot Qie Jade…; If/When possessing the Eight-Foot Qie Jade…

Ba Conditional