Matt the MAD!

All Goblins gain +1/+1 Haste, Menace,
and Trample
Matt the MAD! turns back into Matt the
meek after 1 attack. All damage during this
attack phase cannot be stopped.
Whenever this card would be exiled, put into
the graveyard, or returned to its owner's hand.
Transform it back into Matt the meek instead.
Matt the MAD! can only enter the battlefield
by transforming from Matt the meek.