In the late 90s, Pok Mania was in full swing, with games and trading cards flying off shelves
While there may be stronger cards for specific strategies, the ability to retrieve Mutiny in the Sky from the graveyard for additional plays adds consistency and potentially makes it worth considering for inclusion in decks that rely on Fusion Summoning from the Extra Deck
This also doesnt happen all at once, but rather one Energy at a time
This attack requires just three energy originally two Water Energy and one Colorless Energy offering enough power to defeat most cards in the game while remaining relatively cheap
The two foil cards are really good, especially if you can give them Rush and get their use straight away
The same has happened with Speed Duel, as the GX box introduced plenty of new GX-era Monsters on top of adding in new skills to the game