Otherwise a bit heavy of an equip cost, which in commander should not be a problem
The original Mega Brave and Mega Symphonia expansions have already delivered some of the most eye-catching and valuable cards of the year, with the 10 most valuable of which from the combined Mega Evolution set can be found below, for those who dont feel like scrolling through the whole larger list
Now what would you be wanting to do that for anyway, hmm
Balnazaars Fortress Plane: Nether Realm Lands you control have T: Add to your mana pool
the tribe didnt see significant support until the original Zendikar set
Focusing on discard is certainly the most common, and its quite effective with cards like Containment Construct to help break symmetry, but you can toy around with sacrifice synergies and even fiddle with a group-hug-esque strategy depending on your card choices