MTG Single

Knight of Obligation [Gatecrash]

$1.23
Buy it now
Set: Gatecrash
Type: Creature — Human Knight
Rarity: Uncommon
Cost: {3}{W}
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.)
He can calculate interest to six decimal places even in the midst of a deadly duel.