That's the smallest of hurdles to overcome, after which Gisa becomes a hard-to-answer army-in-a-can that even brings a Skeleton buff along for the ride.
Belle's House can be played fairly early as well, helping you establish the groundwork for building a powerful combination of characters and items
That box becomes more than a one-time purchase, it's a game piece to be used repeatedly
However, the seeds for this were planted back in Eldritch Moon , with these cards: Initially mono-white, this batching would branch out to Boros in Dominaria and largely stay there aside from a brief dip into other colors for various Commander decks, like Galea, Kindler of Hope and Dogmeat, Ever Loyal
Just remember that Jaxis can only activate as a sorcery, so youll lose that angle that most decks that play madness spells get to take advantage of