How much does Chains of Eminence (1) cost
A few of us I guess, possibly including Olle Rde
If opponents dont have a plan to counter Omniscience right away, this is very often a game-ending move, thanks to the abundance of incredible draw cards blue decks have access to
When a creature cards activated ability tells you to choose a card from an opponents graveyard and put it onto your battlefield, for instance, that action cannot be countered, as the action itself is not a spell in MTG
The symbolic weight of being the last card in the Galarian Gallery also gives it a completionist appeal that drives demand from set builders who view GG70 as the crown jewel that finishes their Crown Zenith collection
In Commander, its a major upgrade to Archivist of Oghma because it scales with the game while it retains the early card advantage potential of a 2-mana creature that draws cards whenever your opponent ramps or cracks a fetch land