Carcharas, Primordial Jaws

Flash, hexproof
Shark spells you cast cost {u}{u} less to cast. This effect reduces only the amount of blue mana you pay.
When Carcharas, Primordial Jaws enters the battlefield, counter target spell. Your opponent loses life equal to that spell's mana value.
Disappear Into The Abyss {3}{u}{u}: Return Carcharas, Primordial Jaws to its owner's hand. Activate only as a sorcery.

Many people, ships and cities throughout history have seen his fearsome jaws. Only once, though.