Rule 100.1 · General
These Magic rules apply to any Magic game with two or more players, including two-player games and multiplayer games.
Subrules
A two-player game is a game that begins with only two players.
These Magic rules apply to any Magic game with two or more players, including two-player games and multiplayer games.
A two-player game is a game that begins with only two players.
Ask the judge Pro
The life counter has an AI judge that answers your play citing the exact rules. It is part of Gatewatch Pro; the rules, Oracle text and rulings stay free.