Talrand teaches new players the blue toolbox, which is card draw, interaction, and tempo, while rewarding them with a board they never had to commit to the battlefield
Each one is a colorless artifact with the artifact subtype Lander and the ability ", , Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle." Some spells and abilities that create Lander tokens require targets
The mechanic may pop up in a Horizons set as a callback, but I dont expect to see it outside of an edge case like that
So unless your high-powered synergy cards absolutely demand it, do not play Aegis Automaton
If reprints with high demand like fetch lands or any Special Guests get released, you can expect strong values since these are often desired for eternal formats