Euweik, Heart of the Elk

Vigilance, Hexproof, Protection from Artifacts
Whenever an Elk you control attacks, tap or untap target creature and gain 1 life.
{2}{w}{g}{t}: Exile target creature, then return it to the battlefield tapped with a +1/+1 counter. You may target a creature in a graveyard this way if it's an Elk.