Master Pakku [Avatar: The Last Airbender]

Description

Set:	Avatar: The Last Airbender
Type:	Legendary Creature — Human Advisor Ally
Rarity:	Uncommon
Cost:	{1}{U}

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 uni until end of turn.)
Whenever Master Pakku becomes tapped, target player mills X cards, where X is the number of Lesson cards in your graveyard. (They put the top X cards of their library into their graveyard.)