Gandalf's Stand

Destroy all creatures.
You gain life equal to the combined power of creatures your opponents control that were
destroyed this way. If you control Gandalf
the Grey this costs {2} less to cast.
"I am a servant of the Secret Fire, wielder of the flame
of Anor. You cannot pass. The dark fire will not
avail you, flame of Udun. Go back to the shadow! "