This update to Amass does open the door to it appearing in more places than it had before while Orcs existed in Magic already, they were pretty scarce relative to the more prevalent goblins, and the old version of amass required a zombie-heavy setting
Regardless of how the permanent phases in and out, an important thing to keep in mind is that the permanent does not move to another zone from the battlefield when it phases out, it just starts being ignored by everything happening in the game
Six mana is a lot to nab a creature that the Crystal has exiled, but there are few times where doing so will be a bad thing
Aside from Patrick Chapin very early on, nobody in the top tier has really worked on making improvise a thing
Super Rare x9
Unsanctioned is filled with cards from Magics Un sets, like Unglued, Unhinged, and Unstable, plus seventeen cards that join the Un family for the first time