When I first saw Unpredictable Cyclone, the first comparison that came to mind was Possibility Storm, which has the same mana cost and basically the same mechanic except it triggers when a card is cast rather than when it is cycled
The Celestus sees play partly because of the recurring looting, and hard as it is to believe, Matzalantli, the Great Door is the only free, repeatable colorless looter in the game besides Deal Broker
This five-drop on curve five loyalty 'walker has a +1 to draw and lose a life, so that's ongoing + card flow over time
It provides potentially immediate value while continuing to produce value later
As a result, questing would give our opponent a free card, which is not worth the point of lore we get in exchange
Starter Decks make for the best way to introduce players to the game or expansion, while boosters help to fill out a collection and offer a chance at pulling some rare cards