Consuming Aberration [Zendikar Rising Commander]

Description

Set:	Zendikar Rising Commander
Type:	Creature — Horror
Rarity:	Rare
Cost:	{3}{U}{B}

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.
Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.