The new minions are terrible. My life minion almost never heals anymore. My cyclops minion passes most rounds and it is quite common for it to be at max pips which never happened before. The fire minion is pretty good now so props for that. I have not tried my death or balance or ice minions yet.
I'm still on the fence about the changes to the Life minion. I was surprised to see her use Leprechaun and Lifebane, but not once has she used Guiding Light since the update. She hasn't cast Sprite near as much, nor Imp, and she places her own traps now, but she also doesn't have a lot of health for drawing the attacks, and so she never survives very long after casting that Leprechaun. If she's going to be a "fighting" minion, she should have more health, or be given Spirit Armor to protect herself, like the other minions that attack.