There are three cards that do this in concert: Ancestral Anger Blazing Crescendo (and of course) Reckless Impulse All three of these cards either draw a card or have some proxy for drawing a card attached to them
These conditions might involve the number of Energy Cards attached to a Pokmon, the state of the game, or other factors
The thing about mono-red is that it knows its not as good as the other colors, but instead of trying to get better, it decides the best way to deal with that inadequacy is by dragging everyone else down to its level, so when you sit down to play this deck and your opponents reveal their commanders probably anti-Ball Lightning philistines, whoevers most popular in the moment you can delight in the knowledge that someones about to have all his or her fancy dual lands become Mountains
The premier cycle of this set is, of course, the channel lands
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The initial discard-draw ability keeps your engine humming and ensures that you always have tools ready for the grindy game plan