You can exile it temporarily by discarding three cards, which can help protect it from lethal combat damage, removal, and lots of other horrible, no good, very bad situations
This is due to cards such as Athreos, God of Passage, but more importantly, were gaining Mana Confluence
(c) by post, it shall be necessary only to prove that the communication was contained in a pre-paid envelope which was duly addressed, posted and, in the case of the Notice being sent to a destination outside Australia, was sent by airmail
When thats the case, the top of your library becomes an extension of your hand and a source of major card advantage
They can be a powerful tool in a player's arsenal
Who knows, maybe there are some cards from previous snow-themed sets that go well with these lands, such as Into the North