Take Lutri, the Spellchaser, probably the worst card for tournaments, right
Chaos Orb is notorious thanks to a popular, but fictitious, urban legend of a player tearing it into tiny scraps, and then throwing these pieces at their opponents cards, thus destroying them all
Its +1 ability forces opponents to discard a card
Its nice if you can flip it to get access to a good beater, but in all honesty, repeatedly having the front side to flicker at any point seems just fine
You can combine it with lots of effects that double the mana production as well as powerful X spells as win conditions
Black wont be the worst color in Modern forever and theres a lot of name that Nephilim to play with the other color combinations