Krotas, Experimental Scientist

At the beginning of your upkeep, create a 1/1
green and blue Fish Mutant creature token with
one of the following abilities chosen at random—
•When this creature leaves the battlefield, proliferate.
•Fish you control get +1/+1.
•This creature can block any number of creatures.
{bull}Fish you control have hexproof.
{bull}This creature can't be blocked.