Enigma Thief is a rare Creature — Sphinx Rogue card from Zendikar Rising Commander (ZNC), collector number 4. Current market price: $0.38, TCGplayer market prices via Scryfall.
Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or Rogue.) Flying When this creature enters, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.