Veragos, Disciple of the End

Menace, annihilator 1
Veragos' power and toughness are both equal to
your devotion to colorless.
Whenever you cast an Eldrazi spell, reveal cards
from the top of your library until you reveal an
Eldrazi card, put that card into your hand, then
shuffle.
"Emrakul shall bless these cursed lands!"