Shiryu, Daring Dragon

Trample, ward {1}. Shiryu’s power and toughness are each equal to the number of cosmos counters on it. Dragon’s Fury - You may exert Shiryu as it attacks. When you do, create a green and blue X/X Elemental Dragon creature token with flying and trample that’s tapped and attacking, where X is the number of cosmos counters on Shiryu. At the end of combat, exile that creature and remove two cosmos counters from Shiryu. When the last cosmos counter is removed from{Lns} Shiryu, transform it.