The card provides a unique effect in Commander, especially for a land, and can keep a key creature alive in the face of a destruction based board sweeper or similar point removal
These are effectively the chase cards within the chase tier
In these lists, you can utilize the counters to the extreme
Null Brooch Null Brooch offers you a free counterspell every turn by discarding all your cards, which is a really steep price to pay
Standard is currently infested with all sorts of permanents that cost 2 mana or less, such as Omen of the Sea, Mazemind Tome, and many others
Now that it has been fully revealed, I find myself feeling somewhat disappointed by its execution, though Im still eager to try out some of the cards mentioned above