Anivia, the Cryophoenix

Flying
{u}{u}{u},{t}: Create 2 0/2 Ice Wall with Defender.
When ever Anivia, The Cryophoenix dies, it
becomes a 0/1 creature that cannot block, attack,
and loses her ability to create ice walls with 3
time counters on it. Remove a counter at the
beginning of your upkeep. When Anivia, The
Cryophoenix has no time counters, she returns to normal.