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.

• Number: 18
• Rarity: U
• Power: 2
• Toughness: 4
• Type: Creature
• Subtype: Human Knight
• Mana cost: 3W
• Color: White
• Artist: Ryan Barger