Fact or Fictioncard_draw$1.75Card advantage spell in blue that replaces itself with multiple cards and helps you dig deep for resources. It doesn't untap lands, but it fills a similar midgame draw-and-refuel role.
Commit // Memorycard_draw$0.34A flexible blue value spell whose Commit half can answer a threat while the Memory half can refill your hand. It serves a similar late-game card draw role with extra utility.
Pull from Tomorrowcard_draw$1.98Instant-speed draw spell in blue that converts mana into multiple cards for a big refuel. It lacks the untap/discard clause, but it plays the same role of a scalable hand-replenisher.
Blue Sun's Zenithcard_draw$4.59A classic blue draw spell that turns excess mana into a large burst of cards. Like Pore Over the Pages, it is a high-end refill spell for control and combo decks.
Sphinx's Revelationcard_draw$1.10Big blue card-advantage spell that gains life and draws multiple cards to pull ahead. It is a comparable late-game refuel, though it is more defensive and costs white too.
Opportunitycard_drawBudget$0.03Straightforward blue instant-speed draw-four effect that provides a large hand refill. It is simpler than Pore Over the Pages but serves the same primary purpose of card replenishment.
Dig Through Timecard_draw$0.40A powerful blue selection spell that digs deeply and often costs far less than its printed mana cost. It similarly helps you find key pieces and can function as a strong late-game refuel.
Tidingscard_draw$0.22Classic sorcery-speed blue draw-four that gives a solid burst of cards at a comparable midrange mana slot. It lacks the untap and discard text, but it is a direct budget-style analogue.