The Colossal Titan

When The Colossal Titan enters the battlefield, destroy all creatures with converted mana cost 3 or less.
Trample, Menace, Reach
Sacrifice a creature: Tap the Colossal Titan. Any player may activate this ability.

And just like that, everything changed. At that terrible moment, in our hearts, we knew. Home was a pen. Humanity, cattle.