Other notable Ruby cards are Honest John Not That Honest, who has an ability that costs opponents 1 Lore whenever his player brings a Floodborn character in play, and Queen of Hearts Sensing Weakness, which has a powerful draw effect and is a Floodborn character, meaning that players can bring it out relatively quick into the game
Additionally, the Archenemy only needs 10 scheme cards in their deck, instead of the usual 20
Universes Beyond Of all the Universes Beyond hate out there, art is often not the issue on the Standard-legal cards, but for many, the grossness from Teenage Mutant Ninja Turtles on cards like Featherbrained Filcher, Omni-Cheese Pizza, and Pizza Face, Gastromancer is just too much
I see Conjurers Closet on quite a few of these decklists
Creatures your opponents control enter the battlefield tapped
Also can just be nasty with exile graveyard effects, leading to lots of card draw