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
A Persian or other signature Pokemon may appear as a design element
You can find my other precon upgrades here: Blood Rites is a White / Black Vampire Aristocrats deck: the goal of the deck is to flood the board with vampires (Oathsworn Vampire), sacrifice them for value (Master of Dark Rites), and get even more value from sacrifice payoffs (Blood Artist)
I would recommend against copying and pasting anyones specific Cube list or idea, as Cube is meant to be something that is your own
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