Lat-Nam's is more the kind of card you play when you have specific uses than it is one you play to smooth out your early draw
Apple of Eden, Isu Relic Our highest scoring permanent, artifact, historic card and legendary is this four-drop that taps for no mana, just a loss of four life at sorcery speed and this self-sacs
Guide of Souls is fine on its own in a humans shell, but imagine grabbing this white cleric in a Boros energy aggro deck
The fact that other players in their immediate group are unlikely to be playing more than one or two similar cards deepens that sense of pride in the performance of their pet commander/mechanic/decklist
This creates a premium, debossed texture that players can actually feel with their fingertips
You drop things with blue pips to control the board and protect your commander while preparing for a Rogue's Passage and all the blue effects that sneak your creature in, like Aqueous Form