What matters for this deck is the shape it took in mono-black: an artifact army built to churn the graveyard and keep coming back
Promo Cards are also generally (but not always) marked by a stamp of some sort on the right side of the image, as seen on the picture of Mankey above
Three-color sets, for example, have five three-color archetypes and five two-color archetypes that overlap with two of the three-color archetypes
Some LGSs that run tournament casual Commander nights (which is a far better oxymoron than jumbo shrimp) restrict the number of proxies you can have to keep things fair, and Im sure there are pods that condone proxies under specific circumstances only
He is witnessing quite the surprise monstrosity: But my personal favorite actually comes from a modern set, Cosmic Eclipse specifically
In the specific case of this card, the English version is a bigger catch than the Japanese