Cortana, Harbinger of Truth

Eminence -- {2}{w}{u}: Draw 2 cards and gain 5 life, add 1 Rampancy Counter to Cortana.
{3}{w}{u} Remove 1 Rampancy Counter: Counter Target Spell
Rampancy Counters stay between the Command Zone and the Battlefield.
When Cortana Has 3 or more Rampancy Counters tranform Cortana and deal 3 damage to each creature.