Yes, Yawgmoth's Will
This isnt feasible in real life scenarios, such as situations where you have someone breathing across from you
A 1/3, Vito states that whenever its controller gains life, they can have target opponent lose that much life
Whether Tempest Trapper should see play would depend on the specific strategy and synergy within the deck, as well as the overall power level of the format it is being played in
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
With both cards in play, you still need an Equipment and one other artifact in order to set up this combo, plus a way to give Crackdown Construct evasion