White is a Diablo 2 Resurrected runeword created by combining dol + io into a 2 socket wand. It requires at least level 35 to equip.
Wands can have up to 3 staff modifiers specific to Necromancers spells ranging between +1 and +3 to skill level. Therefore, you should look for a 2 socket wand with at least some +skills that your build uses.An easy way to quickly find a good wands is to shop with Drognan in act 2. You can reset his shop by exiting and re-entering town.