Creature — Human Knight

Knight of Obligation

Knight of Obligation trading card
Creature — Human Knight1 exact printing

Vigilance 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.)

From Magic: The Gathering.

Exact printings

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o3cqx18vppb1h3bse45ne.