draw an additional card mtg Top 10 Card-Draw Cards in Magic: The Gathering for Strategic Advantage Howling Mine · Ninth Edition

It may have started as a Standard sideboard card, but it still shows up in Commander mill decks that want their win condition to be fast and inevitable

You can also probably get away with just running one copy in the deck if you have a card you use to add a little utility or support to your strategy, or one that you use as your silver bullet against certain strategies that are more common in the metagame

For a very solid and highly detailed look at this aspect of MTG collecting, I recommend this fantastic article by Guo Heng Chin

Its a player designation, not an effect, ability, or trigger, which means you are the monarch (