For six mana, you get an uncounterable, evasive and hasty creature that is sure to demand an answer the second it enters play
Couple this with the fact that Charizard is easily one of the most iconic Pokemon of all time, and its no wonder that the original Rainbow Rare Charizard GX printed in Burning Shadows became one of the series most valuable cards
Several signed cards are also mixed within, bearing artist signatures on the grading boxes from figures such as co-designer Ryan Miller
Imagine being able to use an April Fools' day joke as a chance to roast plagiarists
As this ability resolves, the battle's controller exiles it then casts the back face from exile without paying its mana costand there won't be a mana cost, so that part's easy
Set It, Dont Forget It It would not be a stretch to say that Commander is a format where you absolutely want to get the maximum benefit for the least amount of mana