Desyre & Doubt

Extort
Allows you to slowly drain life from your opponent. You may pay one white or black mana for each spell you control with extort. For each mana you pay, each opponent loses one life, and you gain that much life.
". . . Marcht amourous Desyre . . . forth in flames did fly . . .
After him went Doubt . . . lookt askew with mistrustfull eyes . . ."