Every flap of its wings creates a dazzling flash of flames
Here, the biggest problem is that if even one of the key cards, Wonder Recipe and Food Cemetery, is out of the field, the above-mentioned combo is blocked and becomes a trash-level card
Its madness triggered ability will be placed onto the stack once that spell or ability has completely resolved.
All in all, I'd say that this is in the top percentage of pet decks, and could even break into decent rogue territory
The second effect, and perhaps the more useful one, is that when Harpie Harpist is sent to the graveyard, the player can add a level four Winged Beast monster with 1500 attack from their deck to the hand
One of the reasons why thats cool is that as we know, getting your hands on some of these valuable Charizard cards is no joke, and its just made more rare by the fact its a shiny card