Thats Gavin Verhey explaining what went into the design of the Piper, which it turns out was originally called Flormand you know what
I think Chris chose to make the card green, as green is the color that seems like it would most care about the seasons
Language Card : english Creation Date : 19 June 2011 Pokemon Passport Name : red vs blue Serie : Diamond & Pearl - Pokmon LV.X Type : Fire Attack 1 : red blue fire strike flip a coin then your oppnent gets 80% damge and you get two turns Attack 2 : red singer Flip a coin
[15] You may only play 1 Energy card per turn unless another card says otherwise
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This means that every single creature in your deck works with Prosperous Thief, Ingenious Infiltrator, Yuriko, the Tiger's Shadow, and Kaito, Bane of Nightmares, which is a pretty significant power-boost to the non-ninja creatures in your deck