PoE ralzwheels builds

The new support gem, Locus Mine, seems to have much greater numbers than, say, Blastchain Mine. Instead of a 53% less multiplier, you have 11% less. Also, it throws 3 mines. Here is my thought around the build and PoB: Tri-ele bow. Scale proj on Deadeye and chain for clear. I have Blastchain in place for Locus as the damage would be 1.4x-ish better. Also, this is counting 1 mine hitting the enemy and not possibly the 3 mines. Lastly, I'd slot in returning projectile as well. Am I inhaling Copium/Hopium in making this wo