The Eldrazi themselves were mostly just really efficient creatures that worked with those lands, but they became supercharged by being the only deck in Modern to have access to lands that produced multiple mana
Exxaxl: Unspeakable poweeeeers
His art frequently includes approving, even reverent, references to swastikas, Hitler, and other Nazi imagery
I had a control mirror recently where I got her to 12 loyalty simply because any other option didn't really do anything
Playing around problems (and sometimes dodging land destruction) Another niche use case, but one that does come up: if your opponent points targeted land destruction at your fetch land, you can crack it in response and at least convert it into a real land before it dies
You could also instantly attach the Equipment onto any legendary creature, not just the token