Now to address another side of this
I don't think he's my cup of tea, but he's gotta be good if the niche appeals to you
Toss a +1/+1 on him and all other stuff you control for perma-pumping equal to your Elf count
But even needing three mana to bring it to your hand, Lurrus was still too good for Modern, Pioneer, and Legacy, and ate a belated ban

Chatterfang, Squirrel General + Pitiless Plunderer Peregrin Took + Nuka-Cola Vending Machine Peregrin Took + Experimental Confectioner Warren Soultrader + Chatterfang, Squirrel General + Blood Artist (or Zulaport Cutthroat, or Sephiroth, Fabled SOLDIER) Warren Soultrader + Chatterfang, Squirrel General + Academy Manufactor Warren Soultrader + Chatterfang, Squirrel General + Peregrin Took Warren Soultrader + Cauldron Familiar + Academy Manufactor Warren Soultrader + Cauldron Familiar + Peregrin Took Camellia, the Seedmiser + Peregrin Took + Ashnod's Altar Camellia, the Seedmiser + Peregrin Took + Hazel's Brewmaster + Gilded Goose Camellia, the Seedmiser + Peregrin Took + Academy Manufactor (or Night of the Sweets' Revenge) + Doubling Season Pitiless Plunderer + Cauldron Familiar + Academy Manufactor (or Peregrin Took) + Ashnods Altar (or Viscera Seer) Ygra, Eater of All + Experimental Confectioner + Savvy Hunter Ygra, Eater of All + Camellia, the Seedmiser + Academy Manufactor + Chatterfang, Squirrel General + Peregrin Took Ygra, Eater of All + Camellia, the Seedmiser (or Experimental Confectioner) + Ashnods Altar (or Viscera Seer) This might seem overwhelming, but a lot of them use the same play style: You need a sacrifice outlet and a source of sacrifice fodder to keep the engine going, and cards that add extra tokens when you make other tokens can turn ethanol into jet fuel
