3 Flubs, the Fool Fumbles His Way to Victory A High-Powered Hellbent General Flubs the Fool is unique in modern Magic design for a few reasons, but the most striking one is that Flubs was printed with an actual downside: Whenever Flubs' controller plays a land or casts a spell, they must discard a card unless they are completely hellbent or hand-less
Red Betrayer's Bargain FromTheShire: Yes it requires a sacrifice but upping your damage to 5 and exiling the target can be very useful out of the sideboard depending on the meta
If a welcome offer is tied to a specific category, make sure your chosen titles contribute at a reasonable rate
Of course, the elephant in the room when discussing this card is Underworld Breach
Graven Cairns, for instance, was just re-released in Duskmourn, while Flooded Grove has been printed into the ground, with recent appearances in Thunder Junction, Bloomburrow, Duskmourn, and Tarkir: Dragonstorm
Similarly, while fun loses half their life effects arent really a build-around theme, so Aphelia may struggle to find a home