Enchantments are usually much harder to deal with than creatures or planeswalkers, so if we can cast something like an Omen of the Sea or Omen of the Hunt, we should be able to get a huge amount of virtual mana out of In Search of Greatness
(Artifacts, legendaries, and sagas are historic.) A card, spell, or permanent is historic if it has the legendary supertype, the artifact card type, or the Saga subtype
a flyer that can break up a board stall and, well, more cards
Elesh Norn, Mother of Machines doubles the effect of permanents that activate when another permanent enters play, all while these same effects from being activated by your opponent with that much power to shut down an enemy's strategy, this creature is worth every penny it costs.
Its hard to wrap my mind around playing this over Verdurous Gearhulk
If it seems like theres something not quite right about that list, youre right