Defender (This creature can't attack.) Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

• Number: 80
• Rarity: U
• Power: 0
• Toughness: 7
• Type: Creature
• Subtype: Wall
• Mana cost: 1UU
• Color: Blue
• Artist: Mike Bierek