If my research is correct, this was the first time a card had multiple instances of cascade on it, and there have only been three other cards since
Once their hand is in trouble, use Chatot G (G) to re-arrange the top cards of their deck, ensuring your victory
Attack 1: [1W] Second Bite (20+) This attack does 10 more damage for each damage counter on your opponent's Active Pokemon
They both also synergize nicely with Miirym, Sentinel Wyrm and Reflections of Littjara (which is already included in the deck), as you'll get activations off both your original creature and their clone
Biancas Devotion heals all damage from one of your Pokemon so long as it has 30 or less HP left, giving you a narrow window to use it, but also potentially saving a powerful Pokemon from being Knocked Out
Suffice to say, Biyomon, Candlemon, and a ton of other cards outside Black have better effects, but I can't recommend this one even in Black unless you REALLY need the boosts to X attack power