That is not the case with fake cards where the light does not pass through much or at all if the light is not that strong as in the case below (iphone used) The best way to see if a card is fake is to use a black light but that is something most people don't have because they don't need it and can't take it with them to a GP let's say

Aether Vial from Darksteel Magic the Gathering Proxy Rated$1.75 Add to cart 5.00 out of 5 Ancient Tomb from Tempest Magic the Gathering Proxy Rated$7.50 Add to cart 5.00 out of 5 Anguished Unmaking from Secret Lair Drop Series Magic the Gathering Proxy Rated$1.95 Add to cart 4.00 out of 5 Animar, Soul of Elements from Masters 25 Magic the Gathering Proxy Rated$3.95 Add to cart 5.00 out of 5 Aether Vial from Darksteel Magic the Gathering Proxy Rated$1.75 Add to cart 5.00 out of 5 Ancient Tomb from Tempest Magic the Gathering Proxy Rated$7.50 Add to cart 5.00 out of 5 Anguished Unmaking from Secret Lair Drop Series Magic the Gathering Proxy Rated$1.95 Add to cart 4.00 out of 5 Animar, Soul of Elements from Masters 25 Magic the Gathering Proxy Rated$3.95 Add to cart 5.00 out of 5
Sell your Arabella, Abandoned Doll Switch to Foil Customers who purchased Duskmourn: House of Horror : Arabella, Abandoned Doll also bought
Bigger on the Inside Bigger on the Inside is such an interesting aura
Not that Id ever do that Sorin of House Markov // Sorin, Ravenous Neonate Eliana: Like I said, I love life gainand so does Sorin
17 Cirdan, The Shipwright Diplomacy In Action Voting is an incredibly underrated mechanic in Commander