Death: The Fourth Horseman

Death, The Fourth Horseman can't be countered.
Protection from colored spells, annihilator 6.
When Death, The Fourth Horseman is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.
"And I looked, and behold a pale horse: and his name that sat on him was Death, and Hell followed with him."
-Revelation 6:8