Glory, a five mana 3/3 flyer, seems laughably overcosted by modern (or Modern) standards, but it's not being played for its stats
Graded Population Report: Gastrodon #107 Visualize the distrbution of grades in the chart

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To be honest, I've had the best experience with USPS for a number of reasons: USPS is cheap to send flat rate packages
In a world where your five drop is winning you the game quickly and reliably you want to get there as fast as possible as is increasingly the case in my main cube
The two lemons in the past are like upward compatibility of things that are not completely affected by the effect