Rasputin, the Oneiromancer is a rare Legendary Creature — Human Wizard card from Dominaria United Commander (DMC), collector number 40. Current market price: $0.24 (foil $0.28), TCGplayer market prices via Scryfall.
When Rasputin enters, put a dream counter on it for each opponent you have. Each opponent creates a 1/1 red Goblin creature token. {T}, Remove one or more dream counters from Rasputin: Add that much {C}. {T}, Remove a dream counter from Rasputin: Create a 2/2 white Knight creature token with protection from red.