You can negate your opponent's card or effect activated in response to the activation of your "Ryu-Ge" Spell Card or effect, then destroy this card
Foils of these will obviously be valued higher and truly depends on your want of foil lands (as I do know these lands are played in Pioneer)
There are tons of great poison cards printed over the years, many of which skip over damaging your opponents completely
Pokmon fans knew that the 30th anniversary trading card set would be a hot commodity, but now there's proof
Cards with that name, and their effects, cannot be used
Neo Destiny, Japanese Base Set, Expedition, and Skyridge all reached new highs, showing once again that sealed vintage Pokmon product is becoming one of the most competitive corners of the entire collectibles market