Every Forest , Island , Swamp , Mountain , and Plains has an intrinsic mana ability
I didn't get into the various Maskwood Nexus shenanigans one might get up to with a deck like this, but I'm sure there's something degenerate I could do with the right inspiration
Every now and again when I bought collections, I would pull these out of the pile of bulk rares that I picked up at a dime a piece, and throw them into my spec box
Expensive Upgrade: Solphim, Mayhem Dominus Sure, Valgavoth is more about life loss than damage specifically, but there are lots of damaging cards in this group slug deck, and Solphim, Mayhem Dominus is going to make them all work so much harder
Now, I do think that choosing White for enchantments was a rough decision Wizards probably faced
You can't do so later in combat, and creatures put onto the battlefield attacking can't be exerted