Being able to guarantee untapping with a planeswalker is outrageous, and especially so if your deck is aggressive enough to take advantage of the draw ability
This is due to a number of factors, including a lack of reprints making the card more desirable, its rarity making it tougher to pull and its very eye-catching art of Umbreon, a very popular Pokmon
II Search your library for a Forest card, put it onto the battlefield tapped, then shuffle
etc It is also called the T2, because when the first standard was separated, the existing format (today's vintage ) was called type 1 (T1) and the new format was called type 2 (T2)
It is often positioned as the opposite of the WIND Attribute
You can just use him to turn a deck full of loots into a deck full of draw a card effects as well