HomeALL PRODUCTSKnight of ObligationKnight of Obligation $0.27 Regular Price$0.24Sale PriceExcluding GST/HSTStart-UpQuantity*Add to CartBuy NowVigilance Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)