Mercury, Messenger of Gods

Indestructible, Haste
Whenever an equipment enters the battlefield
under your control, you may attach it to
Mercury, Messenger of Gods
{2}{u}{r}{w}:Target opponent takes control of
Mercury, Messenger of Gods.
At the beginning of your upkeep, if Mercury, Messenger of Gods is not under their owner's control, he deals damage to you equal to his
power.