Suddenly, you can choose at any time to either grab mana or use one of Breya's effects the overabundance of Treasure tokens you cook up in a single turn can overwhelm opponents in terms of both mana ramping and damage output
Alongside cards including Laboratory Maniac, Thassa's Oracle, and Angel's Grace, Ad Nauseam makes for an alternative win condition that will end a game of Commander on the spot
Otherwise, what you get are all foil cards in a fairly traditional rarity split: 5 at Rare or higher, 4 Uncommon, 5 Common and 1 Land
For those new to the format, I should also make clear that while the heroes share a single life total, can block for each other and take their turns at the same time, that is the limit to the sharing among teammates
the kind of place where you'd expect to find a Jeskai monastery