If you want to ignore languages (as most other counts of this problem on the internet do), you get 38,768 mechanically unique cards
(2021-03-19) You may activate Yawgmoth's first activated ability without choosing a target creature
Enter the battlefield effects are great
I have lost so many times against this card and sometimes with it, it is enough to convince me of its unique value, outclassing Ancient Grudge, Wear // Tear and even Shattering Spree
Nicol Bolas, the RavagerNicol Bolas, the Ravager - 16,428 decks, 8,094 as commander The origin story of Nicol Bolas on a card is sort of like a reverse-Omnath, Locus of CreationOmnath, Locus of Creation, so predictably I was in love with it from the start
So long as the engine worked when she turned the key, that had always been more than enough for Chandra