Depending on your minion kill rate after the first blasting ward swap rabdons around with void, if you are strugglign to dmg them use void staff if you are fed and need more pure dmg use rabdons

last item is up to you

deathfire if you use the active

septer if there fast and you need to slow them

hourglass if your getting hard hit and need armour to counter ad

torment for more pen if dmg is hard to come by

Wild Card is your most important aspect aftert lvl 6 - go for wild cards as your main