Auntie's Snitch is a uncommon Creature — Goblin Rogue card from Modern Masters (MMA), collector number 72. Current market price: $0.12 (foil $0.51), TCGplayer market prices via Scryfall.
This creature can't block. Prowl {1}{B} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Goblin or Rogue.) Whenever a Goblin or Rogue you control deals combat damage to a player, if this card is in your graveyard, you may return this card to your hand.