Senator Peacock does make for an excellent Clue card, making all your other artifacts Clues in addition to their other types, and a sweet combat-oriented trigger whenever you sacrifice a Clue
It's perhaps unsurprising that the Showcase and Fracture Foil version of the card goes for significantly more than the Showcase-only version, but everyone but the most avid collector will balk at the price
We like to cast noncreature spells in blue, especially since that also includes artifacts
She is also the second in line for the prestigious head cleric role at the largest church in Three Tree City, though she'd never tell you any of that even if she were awake enough to have the energy
Its usually enough to bury one players board while bumping up your counters, spreading poison, etc
Mechanics that care about cards going to the graveyard or leaving the battlefield are optimal for aristocrats decks