The best replacement for phantom assassin is templar assassin.

The best alternatives to phantom assassin are rated as following:
★★★★★  templar assassin
★★★★  anti mage
★★★★  faceless void
★★★★  drow ranger
★★★  bloodseeker
★★★  riki
★★★  troll warlord
★★  lifestealer
★  chaos knight

Your alternative for phantom assassin is not listed? Suggest!
Speaking about phantom assassin, one probably shouldn't forget about daedalus.

Other search terms related to phantom assassin and their ratings are:
★★★★★ daedalus
You have in mind a companion for phantom assassin and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of phantom assassin in all years. Click on graph for more.
phantom assassin
templar assassin
anti mage