Also, as a bonus tip, dont go AFK while the lights are on
You can only activate 1 "Duelist Genesis" per turn
This means that the optimal strategy is often to cram as much sacrifice and discard as possible into the 99, leading to an absolutely brutal game for 3 of the 4 players
Blue's milling tends to come in two mechanical parts: spells that mill numerous cards once, and permanents, most often creatures, that can repeatedly mill smaller amounts of cards
(Put the top two cards of your library into your graveyard.) Once during each of your turns, you may play a land or cast a permanent spell from among cards in your graveyard that were put there from your library this turn
Foretell makes a comeback in this deck, as a way to make more cards that can be played from exile