This can be a good strategy if you have an enchantment matters deck or if you want to keep your commander and get the additional effects of the background
Typically however you want your top end at 7 and 8 if you want casting them as a backup (which the green based cheat in decks generally do)
By paying a cost of one life and sacrificing the fetch land, a player is granted the ability to delve into their library to retrieve a land card of a specific basic type, such as a forest, mountain, island, swamp, or plains, and put it directly onto the battlefield
Both produce unspeakable amounts of mana with a little help from some of the most common card types in the game
You can spend your mana on whatever interaction you need to survive or gain advantages
This plays into other white effects that punish creatures that have harmed you