In Limited formats, if you're only using ramp spells to fix your mana, it's unlikely you'll cut lands from your deck
I have to admit, while Ive had four Dungrove Elders since the card was printed last summer, Ive not really played with it much at all because, quite frankly, I love non-basic lands too much to mess with it
These won't prevent your lands from going boom, but they'll help you steadily rebuild without having to topdeck a new manabase
It works well with stax effects since it can find the perfect answer but could be an equipment commander or just a value engine
You can also find the lists for my paper decks over on Archidekt if you want to dig into how I put together my own decks and brews
This is almost essential in any strategy that revolves around facedown creatures, but its also a solid chaos piece elsewhere