Anivia, the Cryophoenix

When Anivia, the Cryophoenix dies, return her
to the battlefield.
{x}{u},{t}: Choose one option:
•Put X Frost counters on all creatures you don't control.
•Deal damage up to X creatures based on the
number of Frost counters on that creature.
"I am the fury of the blizzard, the bite of the wind,
and the cold of the ice. I am the Freljord."—Anivia