Use established auction houses like Goldin, Heritage Auctions or PWCC, which have authentication processes and serious buyer pools
Haha, I don't know why you'd actually want to print out Alchemy's digitally rebalanced cards, but guess what you can
There are relatively few Pokemon I would consider gold by default: - Raichu (both forms, I think?) - Moltres - Girafarig* - Raikou - Dedenne - Dusk Mane Necrozma - Umbreon, if you count the rings on its body - Significant parts of Sigilyph, though its official artwork shows it off much more than the game sprites do
Putrefy Beast Within Krosan Grip Nature's Claim Murder Assassin's Trophy Abrupt Decay Casualties of War Deathsprout Mortality Spear Vraska the Unseen Windgrace's Judgment Binding the Old Gods Vraska, Relic Seeker Skyfisher Spider Grim Contest Wilt Board Clear Gaze of Granite and Pernicious Deed are perhaps two of the best board clears you'll ever find in Commander and should be included in pretty much any deck of Golgari colors
Logan Pauls Pikachu Illustrator Smashes World Record at Goldin to Become Most Expensive Card Ever Sold The Holy Grail of Pokmon has officially dethroned the kings of the hardcourt
This alone would make it a pretty decent coin flip commander, but let's add to that its second ability