Their catalog system and Cart Optimizer are designed for exactly that use case, and we can't match that efficiency at the low end
Look at how similarly Kai crafted his Blue-Red Trix deck from PTNew Orleans: #2
Honorable Mentions: Altered Ego, Angel of Jubilation, Anguished Unmaking, Archangel Avacyn, Avacyns Pilgrim, Ghost Quarter, Grafdiggers Cage, Gavony Township, Mentor of the Meek, Parallel Lives, Primal Surge, Rooftop Storm, Snapcaster Mage
Reality Smasher Reality Smasher was once a Standard and Modern staple
I tossed in the obvious two Witnesses, the two modal spell lands, and even more Crucible of Worlds like Glacierwood Siege and more
There are Retro Frames, Mini Retro Frames, Sketch Cards, Retro Frame Fetch Lands, Borderless Cards, Extended-Art Rares and, of course, normal cards and foils