Consuming Aberration [Zendikar Rising Commander]

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.