Dark Horseman of Death

Haste
Level Up 1/1 (Whenever this creature attacks or
blocks, it randomly gains +1/+0 or +0/+1 after the
combat if it is still in play. The maximum power and toughness it can gain through this method is +1/+1)
It is known that members of the Dark Faith wield
stunning powers, given to them by the fetid princes of
the nether regions. - Balathustrius