Iesis, God of Disciples

As long as you control fewer nonlegendary creatures than your opponent, Iesis, God of Disciples isn't a creature.
{x}{c}{c}, {t}: You gain control of target creature an opponenent controls. It becomes a colorless Cleric creature with base power and toughness 3/3 and "When this creature dies, remove it from the game," in addition to its other types and abilities.