A second wave of similar tri-lands showed up in Khans of Tarkir, such as Nomad Outpost (taps for red, white, or black)
The Mana Base This deck has the typical mana rocks for these colors and a pretty typical lands sequence
I know Geier Reach Sanitarium is generally cooler because it forces discard for your Megrim shenanigans, but for these kinds of forced draw decks, Mikokoro, Center of the Sea is just as good
For starters, you can offer up creatures to sacrifice outlets like Altar of Dementia and Phyrexian Tower to enable Reincarnation on demand
It creates a six loyalty planeswalker for just three mana, and gives you a valuable resource in the progress, making him a Food deck staple in the three formats hes still legal in
Should you be playing an artifact-themed deck, with threats like Blightsteel Colossus this ramp is obviously incredibly useful