Slay the Beast

Target untapped Barbarian you control and a
creature without flying. Tap both creatures.
Barbarian gets +2/+0 until end of turn and deals
damage equal to its power to second target. If not
destroyed, second target deals damage equal to its
power to Barbarian.
If this card is in your graveyard, you may pay
{g} and shuffle it into your library.
"The beast is fierce, but we show no fear."