Nate Grey, Mutant X

Vigilance, flying, lifelink
{u}{u},{t}: Gain control of target creature with toughness less than or equal to Nate Grey,
Mutant X's power for as long as you control Nate
Grey, Mutant X and it remains tapped. You may
choose not to untap Nate Grey, Mutant X,
during your untap step.
{w}{w},{t}: Tap or untap target creature.