mtg barcode filler card I've just pulled this Legendary Error from a Fabled Booster pack anyone know anymore about it? Question about barcode filler cards

Mangara initially stumped me as a commander, though

Today were breaking down the best group slug cards in Commander

Each time you Explore, you gain life from Wildgrowth Walker

Any challenger deck must surely include Scar, Viscious Cheater - a seven-cost character with Rush that readies himself every time he banishes a character

Participants will receive a non-foil copy of Preordain as "Prophetic Beginning." The Top 8 of the event will also receive a traditional foil copy of Death's Shadow as "Diabolos, Guardian Force." And, finally, for the player who wins it all: a traditional foil copy of City of Brass as "Bhujerba, Floating City." To add to the excitement, WPN Premium stores will also receive non-foil copies of the Death's Shadow and City of Brass promo cards, each with the name of the store stamped onto the card

They don't feel like anything