Thats why you should use a combination of inspectionslike the light test, the magnification check, and the size/shape comparisonto be more confident about authenticity
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Artifact Creature: Ornithopter of ParadiseOrnithopter of Paradise, 190363 Inclusions Artifact Land: Vault of WhispersVault of Whispers, 102795 Enchantment Creature: Sythis, Harvest's HandSythis, Harvest's Hand, 73312 Kindred Enchantment: Merrow CommerceMerrow Commerce, 13234 Kindred Sorcery: Knowledge ExploitationKnowledge Exploitation, 6006 Kindred Instant: Nameless InversionNameless Inversion, 5657 Kindred Artifact: Obsidian Battle-AxeObsidian Battle-Axe, 3121 Instant Sorcery: Fast // FuriousFast // Furious, 2379 I've expressed doubts about Ornithopter of ParadiseOrnithopter of Paradise before, but consider me a convert
There are plenty of other more popular Pokmon from Base Set that hold much higher value
If there are additional costs to cast a creature spell, such as a kicker cost or the commander tax, apply those increases before applying cost reductions