There is no point ambering the gauntlet, the gauntlet itself already has a good special(twister), especially if you’re using a summoner build, and also the summoner legendary gauntlet already has great summoner affixes. Twister itself s a pretty good cc and pretty nice damage if you asked me.
No need to change the time warp, just loot a tome. The tome has the special skill ‘Command’, as well as have the summoner affixes that you will need for your summoner build.
I don’t know if your stats actually affect minion hp, but marwinberna, the creator of the build below, said something about using Blood Magic will make minions have your hp or something along those lines.
You can get some inspiration from this build: