Eriette, the Beguiler

Lifelink
Whenever an Aura you control becomes attached to a nonland permanent an opponent controls with mana value less than or equal to that Aura's mana value, gain control of that permanent for as long as that Aura is attached to it.

Vínculo vital.
Siempre que un Aura que controlas se anexe a un permanente que no sea tierra que controla un oponente con valor de maná menor o igual que el valor de maná de esa Aura, gana el control de ese permanente mientras esa Aura esté anexada a él.