As you can see from the list above, theres no end to the blue cards you can use to cheat or replicate massive artifacts
Recent sets like Pokemon 151 saw many illustration rare cards retain value quite well
Your new card deck will also get a major boost from other standout Pokmon Pitch Black cards including: Mega Chandelure ex (Psychic-type Pokmon) Mega Exadrill ex (Metal-type Pokmon) Relicanth (dual Water/Rock-type Pokmon) Dhelmise (dual Ghost/Grass-type Pokmon) Chi-Yu (dual Dark/Fire-Type Pokmon) Fossil Quarry (Stadium Card) Armarouge (dual Fire/Psychic-type Pokmon) Slowbro (dual Water/Psychic-type Pokmon) Mega Delphox ex (dual Fire/Psychic-type Pokmon) Gwynn (Trainer-Supporter Card) You can check out full card stats on the official Pokmon TCG: Mega Evolution - Pitch Black page, along with the latest The Pokmon Company sneak peeks here and here
If you're in the market for mana, this does the job, and giving it up to draw cards is very doable
Worldspine Wurm is my personal favourite, it is not a certain kill nor even threatening one the next turn but for 2 mana three 5/5 tramplers is better than most things you can Reanimate
The card is preserved and encapsulated in a protective plastic shell, which ensures its condition remains constant