With most of your deck in the bin you can pretty reliably expect to be able to play or Dread Return a Splinterfright or Golgari Grave Troll into play which will be large enough to one shot people
Purple Monkey D.Luffy (ST-26) is still the king if you want explosive turns and big energy plays early on
The dragons WAR Masterpieces extended art is valued at over $100 at around $114, while the M21 foil extended-art version is worth around $65
I'm sure if the modern concept of playmats existed, they would feature large art of cryptic runes, satanic symbols, and even abstract concepts to fit with the mystic theme
You can rub it in peoples faces when they turn their noses up, too, which feels great
Suppliers generally require print-ready artwork in vector formats (AI, EPS) or high-resolution PDF/PSD files (300 DPI minimum)