You can think of cards like Thief of Blood and Mikaeus, the Lunarch as counter movers, but thats not actually what those cards are doing in the context of the rules
III Return target creature card from your graveyard to your hand
Klothys, God of Destiny is very slow and narrow as graveyard hate, but its excellent in matchups where you only care about exiling a small number of high-impact cards, such as Uro or a key Life from the Loam
While green itself isn't particularly well-known for its flying creatures, reach provides you with the ability to stop an opponent from making the most of their fliers
Players choose a legendary creature as commander for their deck
The Dominus cycle are all cards that are worth a look, but currently I feel the green in the cycle Zopandrel is one to keep an eye on