Me: Kadena, Slinking Sorcerer morphs
Opponent #1: Kadena, Slinking Sorcerer morphs
Opponent #2: Sakashima the Impostor clones, with a number of morph creatures in the list

Midway through the game, someone asked Opponent #3 "how's your game going?"

Opponent #3: "I honestly have no idea."

Board state: more than half the nonland permanents were face-down and at that point had never been face-up.