The guild's main archetype, Spellslinger, happens to be my favorite archetype in the game
Then on your end step each foe loses X life and you gain it where X is your Aura count, so it's a win con and pillow fort on one cheap three-drop
The rarest can sell for millions of dollars
The modality on Izzet Charm and Prismari Charm hold up fine, though Id never expect them to be a top-tier card
For example, the very bottom number is especially important to the Aetherworks Marvel example because it not only include the 33.62% of hands that include exactly one Marvel but also the (roughly) 6% of hands that have two or more Aetherworks Marvels, which raises the percentage up to just under 40%
I guess this one could be interesting, as it lets you immediately cash in some of the stronger cards but I think it might just be a 99 card