Conspiracy Theorist is a rare Creature — Human Shaman card from Secrets of Strixhaven Commander (SOC), collector number 240. Current market price: $0.26, TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn.