some favorite options are Gurmag Swiftwing, Kefnet the Mindful, and Questing Beast
At the beginning of your end step, if you sacrificed a Food this turn, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle
This last pair involves a card I only recently discovered
Whereas the first Charizard Ex card chewed up energy to use its strongest attack, the new card is much more economical
(Okay, technically, cards we have liked have influenced us to make something similar
My guess is that most people will do whatever they can to hold onto their decks and collections for now, but it will become a buyers market if were all stuck at home for months on end