The Eternity Sparks

The Eternity Sparks can't be destroyed, exiled, returned to its owner's hand, or sacrificed except as a result of 'The Legendary Rule'.
When The Eternity Sparks enters the battlefield, it deals 3 damage to target creature or player and you gain 3 life. Tap target permanent.
Each creature you control gets +1/+1 and has hexproof and "{4}, {t}: You may activate a loyalty ability of each planeswalker you control."