DESCRIPTION
I would change the samurai to a damping matrix, and change one cannonist to a path, and the other 2 to volcanic fallout.
Elves are more of a threat that hypergenesis, and hypergenesis and living end can be handled with shrewd usage of blood moon and turn 2 boom either torching a good land (as opposed to a fetch) or using a hierarch to ramp.
it is supposed to tell you when you make an error