Due to the effect of Cybernetic Horizon, you can cover 4 materials by dumping 3 cards + searching 1 card, and depending on the type of card you discard, you can additionally dump 1 card and search 1 card, making it possible to secure as many as 6 materials with a single card
After all, it is the sellers property to do with it what they wish
6 Dryad Arbor An Awe-Inspiring Design Anomaly Dryad Arbor may stretch the colloquial definition of Creature Land slightly, but its such a pure iteration of the concept that it deserves a place on this list regardless
Illustrated by Filipe Pagliuso Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Imagine a pre-con deck that can take several extra turns in a row, extra combats, draw fistfuls of cards, generate absurd amounts of mana and also kill people with Clue tokens