Older cards don't have a set code so, you need to know the symbol for each set to be able to tell on-sight, but a quick search over on Gatherer can help you out when youre not sure
Accordingly, the best fair decks include some seriously unfair support cardslike Skullclamp, Umezawa's Jitte, the five swords, and Armageddon and its functional reprint Ravages of Warand the best unfair decks contain cards that increase consistency and contain avenues to victory that don't involve the cornerstone unfair cards in the deck
The big tree is definitely the more powerful and useful card from a general perspective, but this is a personal list
Double Masters 22 Borderless Foil Bounce Lands $15/set of 10 Providing ramp in multi color EDH decks and the ability to trigger Landfall or abuse CIP effects on your lands, the gorgeous new borderless bounce lands from Double Masters 2022 are super cheap at $2 or less per foil copy and a great edition to any Commander collection with full sets running for just $15
Getting caught by Mystic Snake often left decks in a much deeper hole than it looked like they were in, suddenly behind on all fronts and demoralized to boot
the story would completely fall apart if Ramza or characters that were crucial for a historical event were Killed Off for Real
