Vaultbreaker is a uncommon Creature — Orc Rogue card from Fate Reforged (FRF), collector number 117. Current market price: $0.06 (foil $0.39), TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may discard a card. If you do, draw a card. Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)