The Burning Abyss Archetype has seen multiple cards on the banlist
While Sapphire is typically known for being more of an item-heavy, strategic ink, this deck combo has a good amount of strength from both colors
Also, Goldspan Dragon is a great pick if the deck is based not on Dragons, but on tokens and artifacts in general, with Treasures being great options for sacrificing permanents or putting lots of artifacts onto the battlefield at once
Exploud costs 150 Pack Points to craft
Though it's a far cry from Neo Genesis' valuable Lugia, this card is one of the most valuable cards to feature Lugia ever, joining another expensive modern art from Silver Tempest
Entropic Decay allows you to mill four cards before casting Gray SlaadGray Slaad, meaning youre much more likely to have a 4/1 with menace and deathtouch