It can slow your opponent down simply by existing, since they'll need to dedicate resources to removing it, which usually means opening their characters up to be Challenged
Victory Lap Sab-Sunen, Luxa Embodied | Illustration by Valera Lutfullina Thats about it for the new Aetherdrift cards, folks
Prosperity allows him to turn each mana into two more mana (draw X off the Prosperity and then pitch each card to the Bloom for 2 each)
Undoubtedly this will become a common mechanic in the game moving forward, as healing damage from characters already is
To figure out how rare each card is, we've put together a little guide on Booster Pack openings that compiles all the pull data into useful tables
His I Condemn You ability reads Every time your opponent discards at least one card, you can draw that many cards. The most effective use of this ability is playing A Whole New World