Card not found was a major player in Standard for a while and has made appearances in pretty much all Constructed formats, including some play in Vintage
Youll be able to find it online and at big box retailers on March 8
But if I lose all of them, Im screwed
The best deck in the format, Izzet Murktide, usually plays four copies of the blue-red Fast Land Spirebluff Canal
Lands (33) 33 Swamp Spells (7) You see #25: Dismember While Dismember is technically black, it has frequently functioned as a colorless card, giving any deck, any colors, spot removal the likes of which theyd normally be unable to get without very intense color requirements
Try to run this in decks that either use it as a 5-color land or naturally hold up enough mana that its not obvious