Entrance of The Flesh God

Each player sacrifices a creature. Put all creature
cards from all graveyards onto the battlefield
under your control.
The portal flashed a bright red as the massive
organism breached. Blood drained all over the metal
world, corrupting and corroding it away as the
monster entered the world of his old enemy. The
invaders look to the beast and roar in unison. This
world will soon be his, and she would finally fall.