The Eye Of Alduin

{2}{w}Sensory Overload: All creature an opponent controls become tapped for 2 turns or opponent can sacrifice a legendary creature
"Alduin, an entity whose form is a curious amalgamation of geometric shapes, with cones and spheres making up its physical composition. The single eye on the right side of its face, allowing them to peer into the very essence of reality, was detached from its body."