Shulan, forgotten kingdom

Each creature you exile from your graveyard pays for casting this, this counts for x: the combined converted mana cost of all cards exiled this way.
Shulan enters the battlefield with x power counters on it.
•Remove 3 power counters: create a 7/13 construct creature token with vigilance and defender
•Remove 7 power counters: Create a 10/10 angel protecter creature token with trample, vigilance, flying, indestructible, and hexproof