We usually flesh these documents out in meetings with our creative team, but for Counter Blitz, I went into the meeting with that document almost finished
Then we drop the Auras and Equipment cost by one each too
even if your opponent has a counterspell ready, Ugin still impacts the board
Well, it turns out it did replace Mana Leak entirely, except maybe in four color strategies and decks which gains some special advantage by playing Remand or Drown in the Loch instead
Adding the trample on top of this ensures that your opponent takes a few poison counters
3 life is costly, but being able to basically resurrect all your zero-mana artifacts on impact gives Noctis a lot of play, especially in a format that commonly runs decks with eight Mox effects