I would make dedicated swaps in specific matches, such as sideboarding out four Boros Charm for a set of Smash to Smithereens against Artifact-based Affinity decks
This can include smashing pumpkins, toilet papering someones house, or throwing eggs
Aetherworks Marvel can activate its effect the turn it enters , letting you get the value off of it right away
Then, other non-human creatures you control get +1/+1, so your ghouls already out are getting buffed, and on top of that, they have undying, meaning theyre resurrected with a +1/+1 counter if they died without one
On eBay, some have been listed for over $15,000 and have found a buyer who was desperate to add the psychic-dragon duo to their collection
A gift set covering four standard booster packs, two oversized foil cards, two foil game cards, and game tokens