In cube there is far more merit to the 41 card deck and I think I can explain this one pretty quickly
Blitzball Captain At the beginning of your end step, if a counter was put on Wakka this turn, put a +1/+1 counter on each other creature you control
Luminarch Ascension early game has the potential to just absolutely steamroll opponents and combined with other early game threats we swapped in like Youthful Valkyrie a card that can get very big very fastand these other low mana value cards that are already in the deck, the power of this card becomes painfully evident
While I dont believe her $60 pricetag is remotely sustainable, from what weve seen, its probable that shell not drop too much in price and that most decks that play her will almost certainly want the full playset
Endbringer: great effects in Battle Cruiser Standard, a junk rare in Modern
Or getting an extra copy of Koma, Cosmos Serpent