Oblivious Bookworm (0225) [Duskmourn: House of Horror]

Set:	Duskmourn: House of Horror
Type:	Creature — Human Wizard
Rarity:	Uncommon
Cost:	{G}{U}

At the beginning of your end step, you may draw a card. If you do, discard a card unless a permanent entered the battlefield face down under your control this turn or you turned a permanent face up this turn.

Huh, the detector won't stop beeping. Must be on the fritz again.