Numbers 16:17

And take every man his censer, and put incense in them, and bring ye before the Lord every man his censer, two hundred and fifty censers; thou also, and Aaron, each of you his censer.

Cross-reference

Numbers 16:32 describes the earth swallowing the rebels—the immediate consequence of the confrontation begun with censers in verse 17.

Numbers 16:35 records fire consuming the 250 men offering incense—the direct outcome of the censer test commanded in verse 17.

Leviticus 10:1 shows Nadab and Abihu offering incense with unauthorized fire—the same censer action that here leads to judgment.

In Ezekiel 8:11, elders with censers burn incense in idolatry — a direct parallel to Korah's rebel censer offering.