Brent, the indifferent

At the beginning of your upkeep, each opponent
may draw a card, then you draw the same
amount of cards.
{8}{p/b}{p/b}{p/b}: exile this card from your graveyard,
exile all creatures on the field you control and
return Brent the indifferent transformed.
Activate this ability only any time you could cast
a sorcery.
"K..."