Hall of Storm Giants is the least exciting Cube option by a country mile, but the low opportunity cost does make all five cards worth considering
Between the crushing pressure of the depths of the ocean to the monstrously massive beasts that dwell there, theres plenty to be afraid of
and then get a Battle Mode Ra, a 4000/4000 Divine monster that's almost impossible to destroy, for no cost whatsoever
Whats good in Commander is often terrible everywhere else, so having a surplus of these in a Standard set - or even one meant for Modern and beyond - often detracts from the number of cards thatll actually see play in that format
Horizon of Progress is basically a second Waterlogged Grove that occasionally ramps an extra card, which is pretty good for a land Im running for flood insurance
The Jeweled Lotus was printed specifically for Commander and literally cannot function in other formats