When Commander Greven il-Vec comes into play, sacrifice a creature. Greven cannot be blocked except by artifact creatures and black creatures.

• Number: 51
• Rarity: R
• Power: 7
• Toughness: 5
• Type: Legendary Creature
• Subtype: Human Warrior
• Mana cost: 3BBB
• Color: Black
• Artist: Kev Walker