Aristocrats decks aim to gain value through repeatedly sacrificing one's own creatures, often including powerful sacrifice outlets, creatures with death triggers, recursion, and effects that make the act of sacrificing creatures more beneficial
And that's when I knew I'd never build my own Urza, Lord High Artificer
Even if you're not trying to wipe out all of their creatures at once, 1 for 1 removal spells like Fatal Push, Path to Exile, Dismember, and Lightning Bolt can slow the Humans deck down a bit
However, more than a few decks can slot it into their mainboard without any issue
Ray of Command ( Ice Age/Alliances & Mirage/Visions/Weatherlight ) The quintessential combat trick in all of limited Magic , Ray of Command was a first pick card virtually on the caliber with red X-spells back when they were common