Biggest concern so far I have with AW is the mana cost. It's high(not retarded like live, but still), and you kinda want to reserve a lot cause so many good auras. I think for mapping it won't be so bad since you can "ramp up" but for bosses it's gonna be quite messy to summon 15+weapons(assuming it keeps scaling but even if not 14) when you need 2secs of mana regen per summon. The mace is going to be a big must have for this shit, but it's going to be expensive as all fuck since it's super rare(tempest league item).
Could use Chains of Command but you're capped at lvl 20(when without you'll probably get like lvl 25+, maybe more depending on how you build and how the scaling goes) and it has its own quirks with writhing jars and all that shit. Spellslinger would require too much mana and between the support and the lack of auras I doubt it'll be that good, leaves hmm, maybe that bow that summons minions, although that requires a somewhat complex setup(probably need to run ele with ele focus to prevent dots, since phys would have vuln bleeds).
I'm not 100% convinced how I'm gonna fix the issue so far, just kinda seeing how it'll go. I guess EB could be an option, although it's kinda expensive to get. So far I've replaced Multistrike by Deathmark and have gotten some mana cost reduction stuff so it costs "only" 33mana, which is nice enough. Maybe a -15 body could help too, but that shit's gonna be costly.