Malachi did look upon his sibling's creation with interest, for here was a medium in which innumerable possibilities could be made real. His mind's eye saw great vortices and whirlpools, endless streams of water, minute eddies and vast expanses of calm, if only existing to constrast such glorious motion. The first ACT he did make upon the new world would be to set it in motion.
Malachi attempts to cause widespread motion in the water by application of pressures.
Then he did sit back, and wait to see what happened.