MTG has changed a lot after 30 years of development Even for long-time players, certain rules are still misunderstood, resulting in misplays or wrong effects.
What was Damage on the Stack? | History of MTG
Among some of the biggest rule changes in MTG history was removing damage resolution on the stack. Why was this changed and how bad was it abused?
Managing Your Commander/EDH Playgroup and Social Construct
How should you manage your Commander/EDH playgroup and social rules so that all have a good time? Everyone needs to know how to handle the social construct.