Prices are updated based upon Magic Ultimate Masters listings that sold on eBay and other marketplaces
But of course in reality the chances of you actually pulling off a full-combo is very rare so make sure to conserve your materials and even if you have all the cards you need for the it, I'd suggest you just hold them off and wait for a better opportunity where you know for sure that your opponent doesn't have a negate for it since all fusion decks have a big weakness in card advantage so keeping your materials to go all out is better in my opinion
add 1 "True King" or True Draco" monster from your Deck to your hand, also, this turn, all Wyrm monsters become EARTH, WATER, FIRE, and WIND-Attribute while in the hand, field, or GY (even if this card leaves the field)
This pairs very nicely with Paradox Engine and I think this is one of the best ways to spend $1 right now
However, its low HP makes it vulnerable, and placing a Basic Pokemon onto the Bench could be risky if facing an opponent using Sabrina or Pidgeot ex