Since cycling generally costs one or two mana, no matter what cycling creature you end up hitting with Unpredictable Cyclone, you'll come out way ahead in terms of mana, paying two for a four-, five-, or even seven-drop, which sort of puts Unpredictable Cyclone into the Wilderness Reclamation / Fires of Invention category of absurdly powerful ramp spells that only work in fairly specific decks
Powerline turns every song into card velocity and a second spell
And if not, you can still destroy all of them for the same 3 mana
This is important to remember because Commander decks are a fixed size
Dee Kay has access to three triggered abilities that provide effects when a two, four, or six is rolled on a dice, incentivizing the use of effects that use smaller dice rather than a d20