While discarding cards isnt ideal, it becomes beneficial when your win conditions include cards like Past in Flames and Underworld Breach
Whenever one or more nontoken creatures enter the battlefield, if one or more of them entered from exile or was cast from exile, you draw a card
You want it but you don't always need it, you can just go quicker or solve problems more indirectly
Midnight Reaper Whenever a nontoken creature you control dies, Midnight Reaper deals a damage to you and you draw a card
As a designer, it's tempting to capture all the specifics of a Universes Beyond concept with lots of text, but we have to identify the abilities that are most important to selling the flavor and trim the rest so that the set isn't overwhelmingly complex
Every now and then you can get really crafty by giving an opponents creature shroud, which can blank a combat trick or aura