Hellbat

Hellbat can block 2 creatures if they have less than 2 power both.
{3}{r}: Transform Hellbat. Transform only as a sorcery.
"Let's begin with the Hellbat. It may not look like much when its just a Hellion, zipping around the battlefield spitting tiny streams of infernal plasma fuel. When it stands up however, this little car transforms into Hell on legs."
—Raynor's Raider Blurb