Chain Assassination is a uncommon Instant card from Assassin's Creed (ACR), collector number 23. Current market price: $0.29 (foil $0.34), TCGplayer market prices via Scryfall.
Freerunning {1}{B} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Destroy target creature. If another creature died this turn, draw a card.