Xira, abyss Scion

When Xira, abyss Scion enters the battlefield
exile up to X creatures and put 3 Abyss counters
on those creatures.
At the beginning of your upkeep remove an abyss counter from each creature with an abyss counter
on it. When a creature exiled with Xira, abyss
Scion has no abyss counters on it put it into the battlefield under your control, it gains your
choice of either a fear, menace, deathtouch or
haste counter. X is to the number of times you've
cast your commander