Heritage Reclamation is a subtle and effective weapon, while a smattering of one-ofs gives the Omniscience player a lot that they need to worry about
Nothing wrong with some classic card-advantage-centric gameplay, especially in a format where other decks will actually run out of gas if you hold out long enough
Steam Rollers With all that said, we need ways to end the game
Matte and hyper matte do better in this regard, as glossy sleeves tend to stick together when shuffling much more
Put Ozox, Ashnod's Altar, and Pitiless Plunderer on the battlefield
For Standard decks like mono-blue or mono-red, this often means playing a lot of cheap cards with immediate impact, since four one-mana spells add up to more impact than one four-mana spell