Smothering Tithe in particular plays very nicely with this card, letting you draw a card on each players turn in a Commander game
Plus, keeping one mana up as a Blue player is a completely natural thing to do, and just the threat of this card will have your opponents reconsidering their life choices
We will attack with him often, and we will attack with him hard
It smooths out your draws and turns on your artifact synergies, all for a single mana
Tips: Give Xantcha to people who: dont have obvious sacrifice outlets have good attack targets that wont block her effectively will take their turn soonest after us, to reduce opponents opportunities to react Deflect attention as best as possible
For Yuna, Hope of Spira to literally resurrect summons and other enchantments in the way that it does is borderline uncanny