When collectors ask, How many unique Magic cards are there
Lets start with the aspect of Commander precons that everyone tends to have an opinion about
and one of the most interesting cards in the set, Merlin, Goat - three of them actually

Commander (1) 1 Valgavoth, Harrower of Souls Creatures (32) 1 Barbflare Gremlin 1 Blood Artist 1 Blood Seeker 1 Braids, Arisen Nightmare 1 Brash Taunter 1 Falkenrath Noble 1 Fate Unraveler 1 Florian, Voldaren Scion 1 Gleeful Arsonist 1 Gray Merchant of Asphodel 1 Harsh Mentor 1 Kederekt Parasite 1 Mogis, God of Slaughter 1 Morbid Opportunist 1 Nightshade Harvester 1 Persistent Constrictor 1 Rampaging Ferocidon 1 Solemn Simulacrum 1 Stormfist Crusader 1 Vial Smasher the Fierce Artifacts (11) 1 Arcane Signet 1 Basilisk Collar 1 Fellwar Stone 1 Lightning Greaves 1 Mind Stone 1 Rakdos Signet 1 Sol Ring 1 Sance Board 1 Talisman of Indulgence 1 Thought Vessel Enchantments (5) 1 Bastion of Remembrance 1 Enchanter's Bane 1 Spiked Corridor // Torture Pit Instants (6) 1 Blood Pact 1 Chaos Warp 1 Infernal Grasp 1 Rakdos Charm 1 Suspended Sentence Sorceries (7) 1 Blasphemous Act 1 Feed the Swarm 1 Grab the Prize 1 Light Up the Stage 1 Sadistic Shell Game 1 Sign in Blood Lands (24) 1 Temple of the False God

Harness new mechanicsEarthbending, Airbending, Waterbending, and Firebendingto tell your version of the story and refine your playstyle
Additionally, Olivia Voldarens abilities to change a creature to a vampire then steal it, is a long winded, but effective way of getting rid of creatures you dont want your opponents to have