Graham O'Brien is a rare Legendary Creature — Human Pilot card from Doctor Who (WHO), collector number 709. Current market price: — (foil $1.57), TCGplayer market prices via Scryfall.
Paradox — Whenever you cast a spell from anywhere other than your hand, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Doctor's companion (You can have two commanders if the other is the Doctor.)