As for uncommon payoffs, the deck has some nice legendary creatures like Uncommon payoffs like these are a real draw for an archetype like this since you'll have cornered the market on them
If you arent feeling Cloud, then Tifa is your alternative Commander
Scrap Trawler Scrap Trawler is a 3/2 for 3 mana that helps bring back other artifacts from the graveyard whenever something with a higher mana value dies
This is downright nasty in decks with newly unblockable Commanders led by Rogue's Passage and Sun Quan or with unblockable or evasion themselves (Dromar, the Banisher
Clarabelle Contented Wallflower might not be perfect, but she will draw fairly consistently
Creatures (24) 4 Tireless Tracker 4 Verdurous Gearhulk 4 Longtusk Cub 4 Voltaic Brawler 2 Bristling Hydra 4 Servant of the Conduit 2 Aethertorch Renegade Planeswalkers (3) Lands (25) Spells (8) I think this deck does a nice job of incorporating hard-hitting creatures that are great at every stage of the game, some small Energy synergies, and just generically good cards