Illuminor Szeras feels like a good contender for a deck focused around unearth and other temporary reanimation, using his Secrets of the Soul ability to turn them into mana after theyve fulfilled their duty one last time
That makes it a fantastic +1/+1 counters card and a very powerful planeswalker
This, combined with cards with Rush and Evasive, means you cant be shy about getting into a few scuffles on the board
This is one more mana, one more card, and one more life than commonly card draw effects like Ambition's Cost
Luckily, green has a ton of fantastic ways to draw cards, including the excellent Guardian Project and Tribute to the World Tree, which will replace each of the large creatures you put on the battlefield with Ghalta with another card
Summary Tolkien's high-fantasy world compliments Magic's universe seamlessly, capturing the essence of Middle-earth effortlessly