Yegadethra

When another creature enters the battlefield
from the graveyard, the orb approaches.
{t}: Return target creature with mana value X
or less, where X is the current influence of the
orb, from the graveyard to the battlefield.
"Just another necromancer, cursed under
the orbs influence"
— Yerhra Narma Kep, mother of Yegadethra