Is drawing multiple cards an atomic action, or do effects triggered by drawing a card trigger for each card drawn instead?
Consider Spiteful Visions, which reads:
Whenever a player draws a card, Spiteful Visions deals 1 damage to that player.
If a player were to be compelled to draw more than one card, would that player be dealt the damage all at once, or one at a time? For example, how many times would Circle of Protection: Black need to be activated to prevent all damage?
Furthermore, if there exist additional effects that are triggered by damage dealt in this way, are such effects resolved together atomically or is each resultant effect resolved individually?
How about tutors, or other cards not using the word 'draw', eg: Tomorrow, Azami's Familiar
If you would draw a card, look at the top three cards of your library instead. Put one of those cards into your hand and the rest on the bottom of your library in any order.