Thorfinn, Obsessive Avenger

Skulk, Haste, Ward {1}
Discard a card: Thorfinn, Obsessive Avenger
gains Double Strike until the end of the turn.
Escape—{1}{b}{r}, Exile two other cards from your
graveyard. (You may cast this card from your
graveyard for its escape cost.)
"Don't forget, Askeladd. My only wish as a warrior
is to kill you in a duel."