Kuan Training Grounds

Dragon's you control get +1/+1
{t}: Add one mana of any color to your mana
pool. Use this mana only to activate abilities of
dragons or cast dragon creature spell.
Dragons creature spells you cast enter the battlefield with an additional +1/+1 counter on it.
"You'll find no adults here, just arrogant adolescent.
So, stay on guard." Walker Captain of The Guard