To cleanse someone healed of a skin disease, what was brought along with two live birds?

Answer: Cedar, scarlet yarn, hyssop

The priest ordered two live clean birds, cedar wood, scarlet yarn, and hyssop for the one being cleansed (Leviticus 14:4).

“the priest shall order that two live clean birds, cedar wood, scarlet yarn, and hyssop be brought for the one to be cleansed.”— Leviticus 14:4 (BSB)