Deranged Assistant is a common Creature — Human Wizard card from Double Masters 2022 (2X2), collector number 45. Current market price: $0.26 (foil $0.32), TCGplayer market prices via Scryfall.
{T}, Mill a card: Add {C}. (Activate only as an instant. To mill a card, put the top card of your library into your graveyard.)