Dimir Strandcatcher is a rare Creature — Faerie Rogue card from Ravnica: Clue Edition (CLU), collector number 30. Current market price: $0.84, TCGplayer market prices via Scryfall.
Flying Whenever you attack, surveil X, where X is the number of opponents being attacked. At the beginning of each end step, if three or more cards were put into your graveyard from anywhere other than the battlefield this turn, draw a card.