Intrude on the Mind is a mythic Instant card from Murders at Karlov Manor Promos (PMKM), collector number 61s. Current market price: — (foil $1.13), TCGplayer market prices via Scryfall.
Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. Create a 0/0 colorless Thopter artifact creature token with flying, then put a +1/+1 counter on it for each card put into your graveyard this way.