Kuan, Martisian Nesting Ground

Kuan, Martisian Nesting Ground enters the battlefield tapped.
{t}: Add {3} mana of any one color. Spend this
mana only to cast dragon spells. Kuan, Martisian Nesting Ground doesn't untap during your next
untap step.
Bites, burns and scratches beyond this point, enter
at your own risk!