Arcane Investigator is a common Creature — Elf Wizard card from Adventures in the Forgotten Realms (AFR), collector number 46. Current market price: $0.21 (foil $0.34), TCGplayer market prices via Scryfall.
Search the Room — {5}{U}: Roll a d20. 1—9 | Draw a card. 10—20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.