Soulless Irri

When Soulless Irri enters the battlefield, create
Soul Tome, a legendary colorless artifact token
with whenever a spirit enters the battlefield,
put a page counter onto the Tome of Souls and
a haste counter onto the spirit.
1{w}{b}{g}: Remove 10 page counters,
choose one or more:
•Destroy all Creatures power 3 or greater.
•Deal 3 damage to each opponent and gain 3 life.
•Draw 3 Cards