Hogaak 2: the Phyrexian

Infect, trample, haste, vigilance
You may cast Hogaak 2: the Phyrexian from your graveyard and exile.
{p/b}{t}: Put the top eight cards of your library
into your graveyard, Hogaak gets +X/+0 and where X is the number of cards
in all graveyards.