Hatchery Spider [Guilds of Ravnica]

Set: Guilds of Ravnica Type: Creature — Spider Rarity: Rare Cost: {5}{G}{G} ReachUndergrowth — When you cast this spell, reveal the top X cards of your library, where X is the number of creature cards in your graveyard. You may put a green permanent card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.