cast lots

To decide something by picking an item, often a slip of paper, at random. Let's cast lots to decide who will go first—it's the only fair way to do it.

Common Names:

Name	Pronounced	Usage
BĚLa	-	Czech
Melanija	-	Serbian, Macedonian, Slovene, Latvian, Lithuanian
Alfhildr	-	Ancient Scandinavian
Sinclair	sin-KLER	English (Rare)
Jos	YAWS	Dutch
Sasho	-	Macedonian, Bulgarian