Basilica Screecher (GTC 58)

Creature — Bat • Mana cost: {1}{B} • Gatecrash • Common

Flying
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.)

A screech in the night is all it takes for Orzhov debtors to clutch at their coin purses.

Illustrated by Christine Choi.