This turns it into Ghastly Mimicry, an aura that reads: "At the beginning of your upkeep, create a token that's a copy of enchanted creature, except it's a Spirit in addition to its other types
The best MTG Commander cards, from Spider-Man or otherwise, tend to be highly versatile
My mind set though is typically to remove every card from the opponents side of the field using combinations of Felis, Lyla and Arcanite Magician and Castel and hopefully ending with either Dracossack, Stardust Spark Dragon or REDMD and Lightpulsar on board for defense
This is just off the top of my head with no real research
So how to grade pokemon cards
Sylveon currently is pulling ahead of its fellow Eeveelutions in the popularity race with an exceptionally high value