These are fairer lands, they tap for two colours and can do so from turn one and so are very good lands but they do become painful if used with abandon
I would recommend against copying and pasting anyones specific Cube list or idea, as Cube is meant to be something that is your own
Combat often requires 2 or 3 successes
There will be cards in red to compliment this one, like Goldspan Dragon or Rain of Riches (also from NCC), and Rakdos decks with sac outlets can pressure the choice of their opponents too because they likely wont want to see their most threatening creature sacrificed
Teferi's is whispy to show his time-manipulating skills, Chandra's are singed for her pyromancy, Garruk's have plants growing in the background, and so on
You can keep using that move though and getting the damage reduction, making this Pokmon a next-level tank