Pirate King's Execution

exile the creature with the most power on the battlefield

Put a One Piece token on the battlefield, each player gets a Red Poneglyph, when anyone deals 7 or more damage to a player, they get all their Red Poneglyphs. Once a player has all
Red Poneglyphs they may attack the One Piece with creatures, other players may defend the
One Piece with their creatures, if a creature reaches the one piece their owner wins the game