Araumi of the Dead Tide without summoning sickness).
Easy Prerequisites
You have at least three opponents.
You have at least three other cards in your graveyard.
Notable Prerequisites
Each opponent controls at least three nontoken creatures.
Opponents cannot block creatures you control.
Mana Needed
available.
Steps
Activate
Araumi by tapping it and exiling three cards from your graveyard, ensuring not to exile
Auton Soldier, giving
Auton Soldier encore until end of turn.
Activate
Auton Soldier's encore ability by paying and exiling it from your graveyard, creating a token copy of it with haste for each opponent you have. Choose to have each
Auton Soldier enter as nonlegendary copies of
Etrata with myriad.
Declare each
Auton Soldier as an attacker, each attacking a different opponent.
Each
Auton Soldier's myriad ability triggers, creating a token copy of it tapped and attacking each other opponent.
Deal combat damage using all the
Auton Soldiers, triggering their abilities.
Resolve the first
Auton Soldier trigger, exiling a creature an opponent controls with a hit counter on it and causing that opponent to lose the game if they have three or more cards with hit counters on them in exile.
Repeat step 6 as needed for the remaining triggers.
Results
Each opponent loses the game.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
1
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5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.