The Myriad Pools can offer some mana ramp and utility, but you need a lot of permanents in your deck for this to flip
Ankh of Mishra Mishra Mishra's Bauble Mishra's Command Mishra's Domination Mishra's Factory Mishra's Foundry Mishra's Groundbreaker Mishra's Helix Mishra's Juggernaut Mishra's Onslaught Mishra's Research Desk Mishra's Self-Replicator Mishra's War Machine Mishra's Workshop Mishra, Artificer Prodigy Mishra, Claimed by Gix Mishra, Eminent One Mishra, Excavation Prodigy Mishra, Lost to Phyrexia Mishra, Tamer of Mak Fawa
Its hard to end up with exactly what you want since an opponent chooses which of the three cards you get
Iono has been the golden-goose trainer of the Scarlet & Violet era of Pokmon
Tyvar, the Pummeler (or Heraldic Banner) can work wonders with an elf leader, but they work with any kind of creature or go-wide deck
Decks do need building with Stoneforge in mind but not to the extent of cards like Goblin Welder or even Land Tax
