It says "draw a card" and 3 mana is nothing in Green
Some of the premium cheap ramp cards might seem more important but they are more replaceable
15 Total Altar of Dementia, Blasting Station, Phyrexian Altar, Ashnod's Altar, Viscera Seer, Yahenni, Undying Partisan, Bloodthrone Vampire, Carrion Feeder, Spawning Pit, and Tainted AEther
Its no coincidence that the oldest trolls are also the angriest
There are multiple strategies in Modern revolving around Urzas Saga, where the land serves as both a win condition making huge construct tokens and a tutor to find the plethora of powerful 0 or 1 mana artifacts in the metagame
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owners control with a -1/-1 counter on it.) Accept one favor from an ouphe, and youre doomed to accept another