A little costly, perhaps, but it takes little effort to gain a ton of life each turn
That creature had to first damage you
taking two cards that work in harmony to dominate a situation is the poster child for deck synergy: A plus B equals cool
Obviously this is backbreaking against Dredge and meaningless against Humans, but it gets murky in between those extremes
Being in colors that dont ramp that well, Quicksilver Amulet and Urzas Amulet will help
I count: 38 lands and Gilded Goose, Tireless Provisioner, Cutthroat Negotiator, Rashmi and Ragavan, Schema Thief (low-key very sweet repeatable ramp that copies opposing mana rocks??), Path of the Animist, Sol Ring, Arcane Signet, Fractured Powerstone, Gruul Signet, Izzet Signet, Simic Signet, Inspiring Statuary, Replicating Ring, Skyclave Relic, Ichor Elixir, Curse of Opulence, Weirding Wood, Academy Manufactor, Pain Distributor 58 mana