Artorias the Abysswalker

Vigilance, Trample, First strike.
This creature get's +2/+2 while
Great Greywolf Sif, is on the Battlefield.
{t},{w/b}{w/b}: Artorias the Abysswalker, fights target creature.
"The Legendary Knight who gave up his life
in order to halt the spreading Abyss. In reality,
his legend is mired in falsehoods."