card proxy mtg Custom Arcane Proxy | The Brothers'

Also, Set Design was interested in finding ways to provide mana that played to the board, meaning they helped you advance toward winning the game rather than taking a turn off to play a mana source

Pip-Boy lets you untap up to two target lands one of which could be your Nykthos, Shrine to Nyx

Flashback will probably still be the most dominant way to take advantage of Sevinne, with a much greater saturation of cards with the mechanic (plus cards that favorably interact with flashback, like Burning Vengeance or Secrets of the Dead)

Ormendahl, the Profane Prince The most recent demon to grace the cube and it is quite the unusual one given that it starts life as a land