Oriana

When Oriana enters the battlefield, if you don't control a colorless enchantment aura token named Clockwork sphere, create one and attach it to Oriana.
{t}: Add {2} to your mana pool.
{3}{t}: if you don't control a colorless enchantment
aura token named Clockwork sphere, create one
and attach it to Oriana.
"The ball is angry."