They are better than Scion since they are harder to answer and then cheaper and then they always will trigger even when your Monarchy has been taken away
While youll clearly play Mystical Tutor if you only have room for one of these effects, both are fully capable of advancing your position in a multiplayer environment like Commander
"Destroy" effects are relatively easy to deal with, since indestructible and regeneration work so well against them
As examples, the rarest non-serialized drops have been the Lost Legends rares (Roughly 46,700 packs for a specific Legends rare out of DMU), the first set of Surge Foil Realms and Relics (~3,900 packs),and the Jurassic Park Emblem Foils (3,800)
Being colorless and the ability to get this with Tinker made it even worse than most similar threats, and the only thing that kept it from taking over the world completely for the week or so it was legal was that there was a second combination deck built around High Tide running around that was just as bad
These days, its showing up all over the place, but this deck shows just how much weight it can pull