Trade the Helm
Sorcery
Exchange control of target artifact or creature you control and target artifact or creature an opponent controls.
Cycling 
"This looks like a winning vehicle. But you lot ain't a winning team."
Lius Lasahido
Aetherdrift (DFT)
• #69Rulings
If one of the targets is an illegal target when this spell resolves, the exchange won’t happen.
(wotc • 2025-02-07)
Gaining control of an artifact or creature doesn’t cause you to gain control of any Auras or Equipment attached to it.
(wotc • 2025-02-07)
Rulings
If one of the targets is an illegal target when this spell resolves, the exchange won’t happen.
(wotc • 2025-02-07)
Gaining control of an artifact or creature doesn’t cause you to gain control of any Auras or Equipment attached to it.
(wotc • 2025-02-07)