The best Cycling cards are in Blue, Black, and White, which Zur gives you access to
Its no wonder that Cloudshredder Sliver is played in many sliver decks ranging from EDH to more niche Modern combo decks
Giving double strike with cards like Silverblade Paladin is really effective at ramping up a voltron commander's kill time, and Rafiq already has it built in
Additionally, Losheel notably comes along with card draw, allowing you to draw a card once per turn when an artifact creature enters the battlefield under your control for the first time each turn
You're never going to want to cast this without foretelling, but that's not a bad thing
Legendary Creature - Human Cleric Creature (CTRL to add secondary) Draw Draw (CTRL to add secondary) Enchantment Enchantment (CTRL to add secondary) Instant Yuna's Whistle Reveal cards from the top of your library until you reveal a creature card