Dalinar, The Blackthorn

First Strike, Haste
Creatures you control have riot.
{w}{u}{b}{r}{g}: Exile Dalinar, Blackthorn, then
return him to the battlefield transformed under
his owners control. Activate only as a sorcery.
—
I intend to so thoroughly ruin this place that for ten generations, nobody will dare build here for fear of the spirits who will haunt it.