mtg cards like expedition map Magic The Gathering - (201) —Javad Nasrin Expedition Map [Double Masters] -

Thats net positive on an effect thats almost always card neutral

Add a couple of utility lands like Cabal Coffers / Bojuka Bog

There is no Alpha Volcanic Island, which makes the Beta price even higher than any other Beta Dual Land

Night Market Night Market could be interesting in Pauper Cubes looking for more fixing

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less

Read the Bones and Phyrexian Arena fit nicely into almost any deck with red and black, and so are easy inclusions here