Knight of Obligation
Creature — Human Knight
{3}{W}
Mana Cost
4.0
Mana Value
2/4
P/T
-
USD Price
uncommon
Rarity
Oracle Text
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.