They are more flexible than Treasure Cruise, are awesome in Simic Ramp with Cultivate stuff from Green or Izzet Spellslinger with Treasure makers for things like Guttersnipe or Dimir with Coffers and Urborg or with mono-Blue Nykthos, Shrine to Nyx
Furthermore, there are some situations where you dont want to trigger Prized Amalgam, for instance if you want to play around Anger of the Gods or any other sweeper and you have Silversmote Ghoul/another Amalgam triggered to return in your end step
1 2 "Magic Story 100: Where to Start"
I know this will find many a home for either use, but dont get greedy with it
This is a hybrid +1/+1 counter and mill deck, and it sits well in both realms
Commander players often tap out these days in the early to midgame, so Traverse the Outlands has gotten a lot better