Dominus, Mage of Limerick

{u}{u}: Tap target creature, it doesn't untap during its next untap step.
{u}{u}{u}: Draw a card.
{u}{u}{u}{u}{u}: Return 2 target creatures to their owners hand.
{u}{u}{u}{u}{u}{u}{u}{u}: Draw 4 cards. Return 4 target creatures to their owners hand.