Anivia, Cryophoenix

Flying
When Anivia, Cryophoenix enters the battlefield,
if you cast it, put 2 stun counters on up to three permanents.
Anivia, Cryophoenix counters all abilities of permanents with stun counters on them.
The last Stun counter on permanents your
opponents control cannot be removed.
When you a put stun counter on a permanent
you may pay {3}{s}{s}, if you do put Anivia, Cryophoenix onto battlefield.