City of An Ambitious People

{t}: Add {b} to your mana pool.
{b}{b}: Target creature you control gets +1/+1 and gains lifelink until end of turn.
"They work tirelessly, until late in the night. And not to make money, but because they love their work and are obsessed with it. It's beautiful, but don't you think they should take a break every once in a while?"