Staples often include bread-and-butter effects like removal, card draw, and board wipes, as opposed to niche or specific cards like typal payoffs or lifegain effects
A lot of Temur Roars value is tied to cards that arent likely to maintain those prices, but I also expect the new-to-Magic cards in that deck to be some of the more desirable as well
Each Commander Deck has a normal version of Arcane Signet, Command Tower, and Sol Ring, but Nuka-Cola Vending Machine only appears with a normal version in the Science
1 Atraxa, Praetors' Voice The extremely powerful and prolific commander Atraxa, Praetors Voice is easily one of the best proliferate cards in Magic
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Like any TCG, randomness is a big part of Magic: The Gathering