One activation of Ancient Tomb wont amount to much, but this land lets you keep ahead of other players mana curve by offering two mana at a rate that many other lands would offer one
Greven, Predator Captain Remember all those reasons Rowan, Scion of War worked well as a Rakdos commander
But despite the synergy between Toxic and Proliferating, it is actually the extra value that earns this former planeswalker a spot on this list
Without reminder text, that new or returning player has no way of knowing that you can only use Boast once per turn and that a creature has to attack for you to use that ability
Prince Eric, Expert Helmsman is nice and mobile as well, acting as a quester that your opponent will hesitate to get rid of if youre in a position of control, or as a more aggressive banisher when you need to deal with your opponent
Turning your commander into an artifact provides an interesting sort of protection