Not that I know of no, summon attacks are very light...the best thing is though in Cyrodiil is if you have a players health low enough your pet can kill them, it must be amusing to have that come up on your "death notes"
"I appear at my lord's behest, or perhaps I was always here, and you merely lacked the ability to see me."
PS4 - EU
AD - Pet Sorcerer - Damage Dealer - 160
DC - Warden - Werewolf - in - progress - 160
DC - Templar - Tank - 160
DC - Sorcerer - Damage Dealer - in - progress
EP - Dragon Knight -Fire Tank - 160
EP - Nightblade - Damage Dealer - 160