Bismarck

When Bismarck enters the battlefield put two damage counters on Bismarck. Bismarck can't attack while it has damage counters on it. During your untapped step remove one damage counter from Bismarck. If Bismarcks toughness falls under 4 put a damage counter on it. When Bismarck becomes blocked by a creature with more toughness than Bismarck set its and Bismarcks power to 0. Crew 4.