Extirpate and Surgical Extraction are awesome with eldrazi/affinity decks, if I can exile Urza's Mine / Urza's Tower or something like Mycosynth Lattice my opponent can't play its game
After sampling the popular formats around me though, I came to the realization that if I played any of them that would not allow the best cards in the game, the truly powerful and legendary, I was cheating myself out of a hell of a lot of fun
Finally, control decks will play more lands than most other decks
One of the best mono-red commanders, Magda, Brazen Outlaw is a stand-alone powerhouse thats good enough for cEDH, but it can also head a casual red dragon deck
From there, you can have different effects depending on the outlet you choose
Play Extra Lands Beyond the typical green land ramp spells youre going to put in the deck, Multani wants ways to play extra lands in a given turn