The Prydwen, Steel Flagship The Prydwen, Steel Flagship makes 2/2 Human Knight tokens whenever an artifact enters, so its at its best in artifact-heavy decks
Whenever a controlled creature leaves the battlefield, opponents lose 1 life, adding a life drain effect
If you do, Thief of Existence gains "When this creature leaves the battlefield, target opponent draws a card." When you cast this spell, exile up to one target noncreature, nonland permanent an opponent controls with mana value 4 or less
Combine two of the 30-card decks into a two-colored super-deck
Leviathan Look, any time you rank all of a specific creature type, theres going to be some old cards that just dont fit the modern Magic landscape
Upgrade 6 There is a similar problem with Braids, Arisen Nightmare - the trigger is on your end step