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.
Near Mint - $3.800
Lightly Played - $3.100
Moderately Played - $2.700
Heavily Played - $2.300
Damaged - $1.900
Near Mint Spanish - $3.800
Lightly Played Spanish - $3.100
Moderately Played Spanish - $2.700
Heavily Played Spanish - $2.300
Damaged Spanish - $1.900