Cthulhu, Awoken End

Flying, Fear, Menace, Indestructible, Vigilance
When Cthulhu, Awoken End enters the battlefield, all players discard their hand and lose
half their life, rounded up.
"An ancient horror emerged from nothingness, its
presence unravelling the very fabric of reality, and the
first thing it did upon our realm was consume that
loyal servant who had summoned it."