All in all, I think this card could certainly see play as a top-end for aggressive decks, as he can very quickly end a game, if left unchecked
Umbral Collar Zealot Free sacrifice outlets are strong in the right deck, as these can enable several combos or Blood Artist triggers
Alongside pump spells and Fetchlands, it doesnt take much before Tifa becomes a lethal threat
You can get to high ink totals quickly and then start threatening some very high lore amounts per quest your with Belles and Tamatoas combined with Eye of the Fates
$25 Upgrade +1/+1 Counters is a very deep archetype so there's more sweet upgrade options that I could ever hope to cover, but I selected some of my favorites: for protection I've added Bulwark Ox and Mutational Advantage, a bunch of proliferates with Metastatic Evangel and Dreamtide Whale being the two best, ramp got a massive upgrade with Astral Cornucopia / Kami of Whispered Hopes / Purestrain Genestealer / Summon: Fenrir, and so on
With Pongo, 'Old Rascal and Peter Pan, Never Landing, you can stick cards on your board early and generate lore unchallenged, every single turn
