Not only do spellslinger commanders knock off opponents, you get to play some famously competitive cards like: Ponder, Treasure Cruise, and Vandalblast
Each Commander Masters Commander Deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary Creature cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack, 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
Its a mix of both here
Now, I also don't want to take these early wins as a sign that the system is perfect
Coincidentally, Talrand happens to be in the mono-color that most often wants to cast instants and sorceries
Named makers, documented provenance, or early production examples