Not only can players select a favorite basic land, but any card with multiple printings can have a favorite variant
If you arent familiar with the combo the main idea is to get Devoted Druid and Vizier of Remedies on the battlefield to make infinite mana with Devoted Druid
They look the other way
That said, this format looks like it can go wide in both Black/Red and Red/White, meaning this might have some more uses than usual
You can sell almost any genuine Magic card or product on eBay: raw singles, foils, playsets, bulk lots, sealed boosters and boxes, Commander decks, Secret Lair drops, and graded slabs
Whenever chaos ensues, you may put a permanent card from your hand onto the battlefield tapped