For borderline free, i'd rather have this little guy. At least the proc gets you agro. Haha ratio is pretty gross tho.
https://wiki.project1999.com/Scorpikis_Claw_Impaler
What about a sarnak warhammer? Procs at 46.. Better ratio, cheap, and would grab agro better than that DD proc?
https://wiki.project1999.com/Sarnak_Warhammer