[kianduatha]

Your commanders are your siege machines. All your noncaster commanders should have at least Piercers, more likely Ethereal Crossbows or Thunder Bows.

Wow, I just realized that the Rune spells are 0-fatigue. Those anvils can keep on casting forever.

Oh, by the way, Grudgestone might do with going down to Evo-2. Frankly, most of your Earth casters have better things to be doing anyways(Legions of Steel comes to mind, as do Earth Might and Earth Meld) and people are going to get level 2 anyways for Arcane Probing.