If that doesnt appeal, then try trimming most stat-monsters that are stronger than Shaman of the Pack on pure rate, like Lovestruck Beast or Glissa Sunslayer
If you can trigger an EtB ability every single turn, the best option in the deck (even better than Karumonix in the right situation!) is the rather unsuspecting Chittering Rats
4 years ago I think you should cut: Brutalizer Exarch, Conduit of Ruin, Frost Titan, Giant Adephage, Myr Battlesphere, Oblivion Sower, Pelakka Wurm, Phyrexian Ingester, Rashmi, Eternities Crafter, Rattleclaw Mystic, Sagu Mauler, Simic Sky Swallower, Sphinx Ambassador, Stalking Vengeance, Tornado Elemental, Plasm Capture, Pandemonium, Sunken Hope, Tezzeret the Seeker, Chromatic Lantern, Darksteel Ingot, Disaster Radius, Explosive Vegetation, Heat Shimmer, Rude Awakening, and Spelltwine
Naya colors already have access to one of Magics best-ever Commanders in Jetmir, Nexus of Revels
As always, if you have information or experiences that would help me make this more accurate, please reach out in the comments, on Twitter, or on the ProTrader Discord