Using mind control, my opponent takes control of Omega and uses it's effect to banish itself and a card from my hand. Does Omega return to the field,if yes then when and on whose side of the field?
PSY-Framelord Omega
Once per turn, during either player's Main Phase: You can banish this card from the field and 1 random card from your opponent's hand, face-up, until your next Standby Phase.
Mind Control
Target 1 monster your opponent controls; until the End Phase, take control of that target, but it cannot declare an attack or be Tributed.