Jax, Keeper of the Beyond

Vigilance
Creatures you control get +1/+1 for each creature card in exile.
{2}{w}{w}{t}: Exile target creature. It's controller gains life equal to it's power.
{4}{w}{w}{t}: Return target card face-up card
in exile to it's owner's hand.
"Enjoy your brief respite before you're
brought back."