It's a great mana sink if you have nothing else to do, but the real draw here is that "mill that many cards plus four" ability
Tarkir: Dragonstorm Release Notes The Release Notes include info about the release of a new set, as well as clarifications and rulings involving that set's cards
While he doesn't look blatantly powerful, he can be decently strong when built around properly, like a Faith's RewardFaith's Reward on a stick
This doesnt win you the game on its own, but if you have some artifact cost reduction effects mixed in, this can give you infinite mana to spend on a lethal Walking Ballista
We break down what it is, and why it exists
Proper storage is crucial not only in preserving the quality of your cards, but also in keeping track of them efficiently