Gurith, Master of Annulment

Recovery (This creature has flash. It cannot attack or block the turn it is played.)
When Gurith, Master of Annulment enters the battlefield, you may pay {x}, where X is the number of creatures you control. If you do, creatures you control are indestructible until end of turn.
"My wrath is a silent kind, but no less deadly." -Gurith, to Dawnlife