Rock Sled may not attack unless opponent controls at least one mountain. Rock Sled does not untap as normal during your untap phase if it attacked during your last turn.

• Number: 51
• Rarity: C
• Power: 3
• Toughness: 1
• Type: Creature
• Subtype: Rock Sled
• Mana cost: 1R
• Color: Red
• Artist: Dennis Detwiller