Its not an obviously powerful effect and, on its own, its not all that great
Is Human a Creature Type
You can retrieve any basic land, so whether you need Wastes for Eldrazi, a color of mana you dont have access to in multicolored decks, or more Forests (in which case, also consider Nissas Pilgrimage), Kodamas Reach and Cultivate are great cards for helping you accelerate into the midgame
(Of course, I have already lost a game where I just needed to have a character that could Quest to win by scoring one Lore, but instead only had characters in play who could not Quest at all
Dump your hand, play Case of the Crimson Pulse, dump your hand again, then enjoy dumping your hand with a full draw three every single turn
This is also why three-drops are a bit limiting in blue decks: it is just too hard to slot in a later cantrip and play a three-drop after