There are lots of situations where you draw it and don't want to use it at first, perhaps you have lots of lands or only very low costing cards, the Chrome Mox will sit in your hand but instead of being dead it will be a get out of jail free card
We also happen to have a similar taste in cards
for example, if you have drawn multiple copies of Kolvori and want to get use out of the extra copy, or if you have nothing to do on Turn 2 and developing a slightly-below-rate mana rock is better than doing nothing
Have you discovered an Easter Egg on Arena
You can cast The Scarab God all game long for the regular five-mana which, let's be honest, is way too cheap for a card with this power level
Rebbec will protect your golems with them while theyre on the field, and Ich-Tekik can turn them into instant-speed Anthem effects when you sacrifice them for value