In the decks that play it Mox Opal is almost better than Mox Sapphire, and while it does bring with it deck-building constraints but the payoff is just so high
Ive said many times that Cruel Edict effects are just not good enough, but I think the benefit here for you is too sweet to ignore
Yes, youre down a land, but youre likely denying your opponent a way stronger land than the basic you just used to pay for this spell
(Also, Sol Ring is a 1-drop, and most ramp really starts on turn two, so I think it's better to think in terms of what we can reliably get, rather than luckily starting with one of 99 cards.) So, let's say I'm building around a 5-drop Commander who really needs to be on the 'field before I can start doing my thing
For example: A card marked SV1V is from the S carlet & V iolet (SV) era