Leviticus 23:30
And whatsoever soul it be that doeth any work in that same day, the same soul will I destroy from among his people.
Cross-reference
Leviticus 20:3 also has God cutting off a person for defiling the sanctuary — identical pattern of divine destruction for serious sin.
Leviticus 20:5 extends the same cutting off to the clan for Molech worship — reinforces the divine penalty pattern.
Leviticus 20:6 applies the same 'cut off' formula to those consulting mediums — parallel punishment for spiritual unfaithfulness.
Genesis 17:14 cuts off the uncircumcised — same consequence of being removed from God's people, here applied for working on Atonement.
Ezekiel 14:9 has God destroying a false prophet from among His people — identical language of divine removal, here for a different sin.
Exodus 32:33 shows God blotting out individuals who sin against Him — similar to the destruction here for working on the Day of Atonement.
1 Corinthians 3:17 applies the same principle — God will destroy anyone who defiles His holy temple — echoing the penalty for violating the holy Day of Atonement.