Blind Obedience GTC/6

Set: Gatecrash
Collector Code: GTC/6
Name: Blind Obedience
Type: Enchantment
Oracle text: 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.) Artifacts and creatures your opponents control enter tapped.
Rarity: Rare