Thito, Titan of Greed's thirst

When Thito enter's the battlefield sacrifice it
unless it escaped
When Thito enters the battlefield or attacks each
player mills 2 cards, if the opponent has eight or
more cards in their graveyard draw two cards
Escape-{u}{u}{b}{b}, Exile five other cards from
your graveyard.
"He thirsts for ambition , and it will never
be sated"