Atemsis, All-Seeing + Legion Loyalty + Sakashima of a Thousand Faces Combo

All permanents on the battlefield.

Atemsis does not have summoning sickness. Opponents can not block and kill creatures you control. You have at least six cards in hand with different mana values.

Declare Atemsis as an attacker.

Atemsis' myriad ability triggers, creating a token copy of Atemsis tapped and attacking each other opponent.

Deal combat damage using each Atemsis, triggering their abilities.

Resolve each Atemsis trigger, causing you to reveal your hand and causing each opponent to lose the game.

Each opponent loses the game