When Breaching Leviathan enters the battlefield, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps.

These waters remain uncharted, but not for lack of trying.

• Number: 12
• Rarity: R
• Power: 9
• Toughness: 9
• Type: Creature
• Subtype: Leviathan
• Mana cost: 7UU
• Color: Blue
• Artist: Tomasz Jedruszek