Omarthis, Ghostfire Initiate [Commander Masters]

Set: Commander Masters Type: Legendary Creature — Spirit Naga Rarity: Mythic Cost: {X}{X} Omarthis, Ghostfire Initiate enters the battlefield with X +1/+1 counters on it.Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis.When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it.