Snapcaster Mage is receiving another alternate art, foil treatment
"The main reason that these cards don't get a [PSA] 10 is because of the centering." There are also a significant number of uncorrected errors in this issue
Hit: (1d8+4) slashing damage and (2d6) necrotic damage
Why the Card is Banned I pretty much explained this above, but to reiterate, this card is far too powerful and makes any extended strategy involving continuous Spells and Traps difficult to pull off
Then just combo off with all the creatures in your deck, just make sure that they have strong enter the battlefield triggers or other effects to take out all your opponents in a single turn
It was definitely not the first time that someone thought to combine Urshifu with Dark Energy, but this new build was hyped as revolutionary because it looked so strange: it played a total of nine Supporters, all different from each other (including a Peonia), a 1-1 line of Octillery, and even Snorlax VIV for more early game draw, with the Inteleon line ensuring that this strange concoction remained consistent