Because allies is such a niche theme, and allies cards often have names that lock them into a specific plane, most of these cards have never seen a reprint, leaving them susceptible to sudden, rapid spikes
This crossover features 4 commander decks from the Warhammer: 40,000 universe and were here for it
So they printed some prototypes including this Turtok (Blastoise) with a galaxy hologram and some design elements still missing
To be clear, these are the sorts of items that would usually be stood in huge piles in your local card store, and easily available in Target and Walmart
The exile is also somewhat less important on the smaller creatures with relatively few of them being persistent or having on death triggers
It usually has a smooth surface and can be metallic, textured, or glossy