Two of them Kolaghans Command and Meddling Mage were Modern staples
DemonDragonJ on Fires of Purgatory 5 years ago I have also replaced Oros, the Avenger with Mathas, Fiend Seeker , which reduced the average converted mana cost of this deck even further from 4.16 to 4.11, because, as much as I wish to have all ten primordial dragons in my EDH decks, Oros simply does not work with the strategy of this deck, but Mathas very much does, so he is a welcome addition to this deck
As one of the best blue cards for deep library digging, Dig Through Time offers outstanding value for each card you exile
This card benefits greatly off of drafting cards like Homestead Courage and Hound Tamer
Thankfully, while the sky is the limit on MTG Arena, it is easy to limit the mechanic without ruining it