Monastery Raid is a uncommon Sorcery card from Assassin's Creed (ACR), collector number 35. Current market price: $0.20 (foil $0.30), TCGplayer market prices via Scryfall.
Freerunning {X}{R} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Exile the top two cards of your library. If this spell's freerunning cost was paid, exile the top X cards of your library instead. You may play the exiled cards until the end of your next turn.