no matter how good or bad it is. If you substitute one animal for another, both of them become holy, and neither can be bought back.
If you try to substitute any other animal, no matter how good, for the one you promised, they will both become holy and must be sacrificed.
When that happens, this sorrowful song will be sung about you: "Ruined! Completely ruined! The LORD has taken our land and given it to traitors."