Wavesifter is a common Creature — Elemental card from Modern Horizons 2 (MH2), collector number 217. Current market price: $0.13 (foil $0.28), TCGplayer market prices via Scryfall.
Flying When this creature enters, investigate twice. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Evoke {G}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)