Oracles, arguably a type of Seer, were people who could (seemingly) see the future and on occasion played a significant political role in Ancient Greece, providing guidance to monarchs and political leaders, all while they were publicly apolitical
In Commander and on the kitchen table, you can make an opponent lose the game, as long as you have nine mana available: False Cure has also seen a smattering of Premodern play, but I think it's primarily prized for its scarcity: it's never been reprinted
It's also just one of the best Bant precons out there
For a complete breakdown of border history, corner radius, and pixel-perfect artwork specs, read our Ultimate Guide to MTG Card Size
Even if the buyer doesnt need to assemble the deck themselves thats still a 300% price increase compared to if you were to just buy the cards yourself