cards with amass mtg Mass, 39 Relentless Advance · War of

Creatures that have an abilities that require you to sacrifice a creature are what are considered the Aristocrats

You may put that card on the bottom.) Land Land (CTRL to add secondary) Protection Swiftfoot Boots Equipped creature has hexproof and haste

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While we've had dominant decks and cards like Collected Company, Siege Rhino, Pack Rat, and Rally the Ancestors, those formats didn't see huge drops in attendance, and for the most part, by the time the outcry got loud, the problem card was already close to rotation (if you look at Rally and Bant Company, their most dominant times were in the two or three months before they rotated from the format)