That is impulse draw, and whenever you exile one or more cards from your library and/or your graveyard you also put a +1/+1 counter on Laelia, the Blade Reforged
Though its cumulative upkeep means youre unlikely to keep it around for more than a few turn cycles, thats more than enough time to get a grip full of cards
That includes a collector booster, promo cart with exclusive art, play booster packs, foil lands, and a spindown die
Duress I card I associate both with old school formats like extended but also a card suitably balanced that it has seen countless reprints making it modern playable and periodically a standard card too
Sure, itll counter your opponents triggers, but the more important part is that it counters Lotus Fields enters trigger, allowing Pioneer and Modern players to exploit this hyper-efficient land in combo and control decks