It can be hard to tell whats worth what at a glance without familiarity of multiple Magic formats, and even then, a few cards can slip past you
Landfall Retreat to Coralhelm is one of the best actual landfall cards ever printed and would be a slam-dunk inclusion here, but I also really love slightly different cards like Cosima, God of the Voyage and Trench Behemoth that do a lot of heavy lifting when lands are entering the battlefield with frequency
Among these, the recently printed Teval's JudgmentTeval's Judgment (13,820 decks) gives us value when we recur something
Thats a great way to find your combo pieces while lowering your life at the same time
Blue ramp isn't much of a thing, green cards don't usually counter spells, white has a hard time with straight-up destruction, and red cards dont get clean card draw
By selecting blue from Color facet, search results is filtered to display only blue cards