Rule 700.13 · General

Some cards refer to committing a crime. A player commits a crime as that player casts a spell, activates an ability, or puts a triggered ability on the stack and that spell or ability targets at least one opponent; at least one permanent, spell, or ability an opponent controls; and/or at least one card in an opponent’s graveyard.

Other rules in this chapter

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.