Klawzik, Under Titan

{w}{u}{b}{r}{g},{t}: add two +1/+1 counters
onto Klawzik, Under Titan for every
nontoken crab creature and island card on the
battlefield
{4},{t}: move X +1/+1 counters from
Klawzik, Under Titan to nontoken crab
creatures, X is the number of +1/+1 counters