Daily or weekly missions, drops, and leaderboard events provide variety, while cashback and loss-rebate mechanics help smooth the variance inherent in chance-based games
Seven cards in all, dating back to 1994, are now banned from play
On pretty much every metric I can come up with, the Necron deck wins
While I could extoll the virtues of having access to the best colors for blink effects when building a Roon deck, or the ability to use them to blink powerhouses like Avenger of Zendikar, Craterhoof Behemoth, or Eternal Witness, Roon actually has a much more sinister claim to fame thanks to the rules change involving death triggers in 2020
It is both a card within the Rakdos guild, as well as with the Rakdos color combination