Billy, The Awkward

Useless (cannot attack or block)
Hexproof
If no spells are on the battlefield at the time Billy, The Awkward is cast, then transform it.
You cannot cast Billy, The Awkward if the card, The Hammer, is in play.
If the card, The Hammer, is cast when Billy, The Awkward is on the field, return it to your hand.
"I like your hair"