Thelepes, Untammable Beast

When Thelepes enters the battlefield, sacrifice
it unless it escaped.
When Thelepes enters the battlefield, each player
puts the top 8 cards of his or her library into his
or her graveyard. Then you draw a card for each
creature put into your graveyard in this way.
Escape {2}{u}{u}- Exile 4 target cards from
your graveyard.