Mirth, The Clever Raccoon

When Mirth, The Clever Raccoon enters the battlefield, you may search your library for an artifact card, reveal it, and put it into your hand. Shuffle your library afterwards.
When Mirth, the Clever Raccoon attacks, at the beginning of combat, exile target creature. At the end of combat, return creature exiled this way back to battlefield.
{t}: You may draw one card, then discard a card. If a card discarded this way is an artifact, gain life equal to its total mana cost.
"GET HIM OFF ME!" - Princ