Scrying allows you to look at the top card(s) of your library and decide whether you want to keep them on top or place them at the bottom of your deck
There are plenty of fantastic backrow cards in the game, and Mystical Space Typhoon is an easy way to get rid of them
Because Aurora Shifter isn't entering the battlefield when it becomes a copy of another creature, any "When [this creature] enters the battlefield" or "[This creature] enters the battlefield with" abilities of the copied creature won't apply
So, in summation, they are almost guaranteed to generate a "wait, what?" reaction from players should you choose to use them in-game
Solidarity UNITY Unity UNITY (unreleased, official game translation) Unity : You can activate it by targeting 1 face-up monster on your side of the field
This specially designed frame is perfectly matched to three cards in the magnetic holder