Gravecrawler can't block.
You may cast Gravecrawler from your graveyard as long as you control a Zombie.

"Innistrad's ghoulcallers are talented enough, but let me show you what someone with real power can create."
—Liliana Vess

• Number: 64*
• Rarity: P
• Power: 2
• Toughness: 1
• Type: Creature
• Subtype: Zombie
• Mana cost: B
• Color: Black
• Artist: Dave Kendall