op-11 booster box Amazon.com: Bandai | One Piece TCG: A Fist of Divine Speed (OP-11) Display | Trading Card Game | Ages 6+ | 2 Players OP-11 Booster Box Pre Release

He's a win con by himself in just a few turns at the multiplayer table

The Mightstone and Weakstone Full disclosure, I almost missed The Mightstone and Weakstone since it doesnt show up in a Scryfall search for double-faced cards

Sevinne, the Chronoclasms Mystic Intellect Flashback deck will help you get your Flashback cards into your graveyard so you can cast them for extra value

While you could likely save some amount of money by trying to buy each card at its low point, this would be way too much work for the average Magic player (and also way too much work to calculate)

If we planeswalk away from it, it will destroy all nonland permanents