12 If anyone builds on this foundation using gold, silver, costly stones, wood, hay or straw,

Read 1 Corinthians 3:12 Using Other Translations

Now if any man build upon this foundation gold, silver, precious stones, wood, hay, stubble;
Now if anyone builds on the foundation with gold, silver, precious stones, wood, hay, straw--
Anyone who builds on that foundation may use a variety of materials—gold, silver, jewels, wood, hay, or straw.