The first place to start is with any lands that can produce multiple colours like [Card]Command Tower[/Card], [Card]Evolving Wilds[/Card], [Card]Terramorphic Expanse[/Card] and [Card]Prismatic Vista[/Card] are excellent auto-includes
Charizard's attack requires four fire energies to use and deals 100 energy, but every time the attack is used the player must first discard two energies from the Pokmon
The only type of interaction that is rarely seen is discard, which tends to be less effective in multiplayer games, right
The best stadium card currently in the format also discards cards, but it can also add cards to hand in some lucky circumstances
What affects the value of Flygon V
The first Charizard GX card featured Crimson Storm, still with the colossal energy cost and with the setback of having to discard 3 fire energy if you use Crimson Storm