Concentratecard_draw$0.20Very close functional match: a sorcery-speed blue draw spell that refills your hand by four cards.
Glimmer of Geniuscard_drawBudget$0.08Provides a strong cards-drawn burst while also smoothing your next draw with scry. It is instant speed, but it fills a similar midrange card-advantage role.
Opportunitycard_drawBudget$0.03A classic blue instant-speed card draw spell that generates a large burst of raw cards, serving the same control finisher role as Tidings.
Sphinx's Revelationcard_draw$1.10Massive blue-based draw spell that can function as a bigger, more flexible version of Tidings in control decks.
Memory Delugecard_draw$0.24A powerful blue card-advantage spell that effectively provides a large refill, especially with flashback. It plays a similar role in slower blue decks.
Fact or Fictioncard_draw$1.75A staple instant-speed blue value spell that often generates multiple cards worth of advantage, serving a similar draw-go role.
Mulldriftercard_draw$0.31A flexible blue card-advantage creature that can draw two immediately and later generate more value if needed.
Blue Sun's Zenithcard_draw$4.59A scalable blue draw spell that can replace Tidings as a late-game hand refill and also acts as a repeatable win condition in some decks.