If you mutate Gemrazer onto Nexus, it still mutates when Nexus stops being a land at the end of the turn
MDFC lands are deceptively powerful, allowing you to increase your number of lands in a Commander deck, or your EDH deck's removal count at the same time
Revised Badlands - PL, LP, GD, EX Bayou - PL Plateau - LP, GD, EX Savannah - PO, PL Scrubland - PL, GD Taiga - LP, GD Tropical Island - PL, LP, GD Tundra - LP, GD Underground Sea - PL, GD Volcanic Island - LP, GD Foreign Black Bordered Foreign White Bordered Bayou - LP, NM (German) Tropical Island - NM (German) Underground Sea - GD (Italian) Volcanic Island - EX (German) From FWB, we also got an Italian Wheel of Fortune for you
The evolution of the colors capabilities, especially in the realm of mana ramp, has been nothing short of remarkable
A sac outlet (Carrion Feeder) + a recurring zombie (Gravecrawler) + a death payoff (Diregraf Captain / Undead Augur) is your repeatable value loop assemble it and the game tilts