Based off Commander Spellbook data, Naya has the most combo cards with ten or more EDH combos, including several heavy hitter combo commanders
Unlike the gods of Theros, the Amonkhet gods arent enchantments
In addition, once you counter an activated or triggered ability of an Artifact, Creature, or Planeswalker, that card loses all abilities for as long as Tidebinder stays in play
Daretti and Feldons popularity could equate to an influx in demand for Commander staples that fit into mono-red Commander decks, driving up the prices of currently undervalued red foil Commander staples
Nightwhorl Hermit
On the draw, I employ basically the same expensive spell or two cantrips heuristic, but I do not count Turn 4 threats like Ulamog, the Ceaseless Hunger and Oblivion Stone