89mm x 127mm card sleeves Sleeve Kings Standard USA Chimera 57.5 89 mm (10x110 Pack, 1100 Sleeves) : Toys & Games they are archival Standard USA Chimera Card Sleeves

The Subset which is only found in the white promo packs, the subset cards are essentially all the vintage reprint cards such as the Charizard, Blastoise, Venusaur & Umbreon Gold Star as well as many others as found here

Burst Lightning and Ball Lightning are Mono-Red's new friends, and while I think Screaming Nemesis is already a better three-drop than Ball Lightning, Burst Lightning definitely takes Shock's place

The reason why is, unlike any other spell card on the forbidden list, Pot of Greed paved the way for a whole series of iterations and variations, known as the 'Pot of' series

Add some Mana Echoes action to make it all easier

But design changes were also needed to protect against counterfeiting

Interestingly, though, some rogue strategies also put up high win rates