Not only do you have whatever color you need for your creatures, youve got colorless mana to pay for rocks and miscellaneous costs, AND youve got what will very quickly become a free source of Blood tokens
Lastly, there are even a couple of unique green lands that work well with card types like artifacts
The first question is how many lands to play
6 The Mimeoplasm A Sultai (black/blue/green) Ooze for five mana, The Mimeoplasm is a classic commander option that allows you to make use of not just your own graveyard, but your opponents' as well
No one will ever pay full retail mana cost for this metal menace (though it doesnt HAVE Menace, dont get confused!) Instead, Krang makes for a valuable top end to come down fast for artifact decks looking to stack damage
So the next time youre building around value engines or combo pieces, maybe dont leave this Camera on the shelf