Every common mana-fixing land entering the battlefield tapped tends to give controlling decks an edge over aggressive decks in Pauper Cubes, and as such, Im a big fan of these lands over the cycles that gain life as a way for aggressive decks to try to push back
Theres also potential for Grim Tutor to make a big impact as it enters Standard, Pioneer and Modern
It outlasts most opponents through steady value, but can struggle against combo decks that ignore the board entirely
eBay Selling on eBay can be a bit daunting
Anyway, heres my pick for favorite, after combing through the many, many Scryfall pages: Im a Timmy at heart, so any creature that has a power and toughness equating to 20 is an automatic hit
Some of the top cards are Liliana, Dreadhorde General, Twinflame Tyrant, Doubling Season, Bloodthirsty Conqueror, Sire of Seven Deaths, and Banner of Kinship