When it's defeated, exile it, then cast it transformed." In a lot of ways, these battle cards play sort of like reverse-planeswalkers
New borders, fonts, and placement tweaks made cards feel sleeker and more modern
As a mono-white creature, Gandalf the White can easily fit into any deck with white mana, making it even more flexible
You can only use this effect of "Martial Metal Marcher" once per turn
Now, lets take a closer look at the cycle of uncastable cards with Suspend (They are exiled with time counters on them, and when the last time counter is removed, they are played without paying any mana costs)
In this case, the cards no longer need to look and feel like originals, only the proxies need to be equal to each other in the above characteristics